245839146240 has 144 divisors (see below), whose sum is σ = 810476545536. Its totient is φ = 63442329600.

The previous prime is 245839146239. The next prime is 245839146247. The reversal of 245839146240 is 42641938542.

It is a super-2 number, since 2×245839146240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 245839146240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245839146247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913551 + ... + 1151630.

It is an arithmetic number, because the mean of its divisors is an integer number (5628309344).

Almost surely, 2^245839146240 is an apocalyptic number.

245839146240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245839146240 is an abundant number, since it is smaller than the sum of its proper divisors (564637399296).

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

245839146240 is a wasteful number, since it uses less digits than its factorization.

245839146240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065236 (or 2065222 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 245839146240 in words is "two hundred forty-five billion, eight hundred thirty-nine million, one hundred forty-six thousand, two hundred forty".