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245324344323240 = 23325713171925712137
BaseRepresentation
bin110111110001111100000110…
…011001011110110010101000
31012011121210000100201222102200
4313301330012121132302220
5224123343224121320430
62225432240430500200
7102450045643401360
oct6761740631366250
91164553010658380
10245324344323240
1171193519861586
1223621602664660
13a6b6ca9191ba0
144481a93c539a0
151d566b0ee4460
hexdf1f0665eca8

245324344323240 has 2304 divisors, whose sum is σ = 1099018732331520. Its totient is φ = 46049606369280.

The previous prime is 245324344323211. The next prime is 245324344323271. The reversal of 245324344323240 is 42323443423542.

245324344323240 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 2 + 43 + 44 + 323 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 114798475452 + ... + 114798477588.

It is an arithmetic number, because the mean of its divisors is an integer number (477004658130).

Almost surely, 2245324344323240 is an apocalyptic number.

245324344323240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245324344323240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549509366165760).

245324344323240 is an abundant number, since it is smaller than the sum of its proper divisors (853694388008280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245324344323240 is a wasteful number, since it uses less digits than its factorization.

245324344323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 45.

Adding to 245324344323240 its reverse (42323443423542), we get a palindrome (287647787746782).

The spelling of 245324344323240 in words is "two hundred forty-five trillion, three hundred twenty-four billion, three hundred forty-four million, three hundred twenty-three thousand, two hundred forty".