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200390501040 = 2435231671811201
BaseRepresentation
bin1011101010100000110…
…1000110001010110000
3201011020120002012012220
42322220031012022300
511240344432013130
6232020315521040
720322602104002
oct2725015061260
9634216065186
10200390501040
1177a92239434
1232a06459180
1315b871b5c92
1499adcd2372
15532c8ad410
hex2ea83462b0

200390501040 has 320 divisors, whose sum is σ = 656249997312. Its totient is φ = 50485248000.

The previous prime is 200390501023. The next prime is 200390501053. The reversal of 200390501040 is 40105093002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 200390501040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166852440 + ... + 166853640.

Almost surely, 2200390501040 is an apocalyptic number.

200390501040 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 200390501040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328124998656).

200390501040 is an abundant number, since it is smaller than the sum of its proper divisors (455859496272).

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

200390501040 is a wasteful number, since it uses less digits than its factorization.

200390501040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 200390501040 its reverse (40105093002), we get a palindrome (240495594042).

The spelling of 200390501040 in words is "two hundred billion, three hundred ninety million, five hundred one thousand, forty".