15140772014464 has 64 divisors (see below), whose sum is σ = 30901446132480. Its totient is φ = 7385144832000.

The previous prime is 15140772014447. The next prime is 15140772014479. The reversal of 15140772014464 is 46441027704151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 68601889 + ... + 68822239.

It is an arithmetic number, because the mean of its divisors is an integer number (482835095820).

Almost surely, 2^{15140772014464} is an apocalyptic number.

It is an amenable number.

15140772014464 is an abundant number, since it is smaller than the sum of its proper divisors (15760674118016).

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

15140772014464 is a wasteful number, since it uses less digits than its factorization.

15140772014464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233499 (or 233487 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 15140772014464 in words is "fifteen trillion, one hundred forty billion, seven hundred seventy-two million, fourteen thousand, four hundred sixty-four".