613956645402240 has 256 divisors, whose sum is σ = 2238963884640000. Its totient is φ = 140181886599168.

The previous prime is 613956645402227. The next prime is 613956645402253. The reversal of 613956645402240 is 42204546659316.

It is an interprime number because it is at equal distance from previous prime (613956645402227) and next prime (613956645402253).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12100515 + ... + 37072034.

It is an arithmetic number, because the mean of its divisors is an integer number (8745952674375).

Almost surely, 2^{613956645402240} is an apocalyptic number.

613956645402240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613956645402240 is an abundant number, since it is smaller than the sum of its proper divisors (1625007239237760).

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

613956645402240 is a wasteful number, since it uses less digits than its factorization.

613956645402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49173507 (or 49173495 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 57.

The spelling of 613956645402240 in words is "six hundred thirteen trillion, nine hundred fifty-six billion, six hundred forty-five million, four hundred two thousand, two hundred forty".