3115616252640 has 48 divisors (see below), whose sum is σ = 9814191197328. Its totient is φ = 830831000576.

The previous prime is 3115616252633. The next prime is 3115616252659. The reversal of 3115616252640 is 462526165113.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 3115616252592 and 3115616252601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245433117 + ... + 3245434076.

It is an arithmetic number, because the mean of its divisors is an integer number (204462316611).

Almost surely, 2^{3115616252640} is an apocalyptic number.

3115616252640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3115616252640 is an abundant number, since it is smaller than the sum of its proper divisors (6698574944688).

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

3115616252640 is a wasteful number, since it uses less digits than its factorization.

3115616252640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490867211 (or 6490867203 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 3115616252640 in words is "three trillion, one hundred fifteen billion, six hundred sixteen million, two hundred fifty-two thousand, six hundred forty".