15340878052 has 6 divisors (see below), whose sum is σ = 26846536598. Its totient is φ = 7670439024.

The previous prime is 15340878017. The next prime is 15340878073. The reversal of 15340878052 is 25087804351.

It can be written as a sum of positive squares in only one way, i.e., 10091006116 + 5249871936 = 100454^2 + 72456^2 .

It is a super-4 number, since 4×15340878052⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917609753 + ... + 1917609760.

Almost surely, 2^15340878052 is an apocalyptic number.

It is an amenable number.

15340878052 is a deficient number, since it is larger than the sum of its proper divisors (11505658546).

15340878052 is a wasteful number, since it uses less digits than its factorization.

15340878052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835219517 (or 3835219515 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 15340878052 in words is "fifteen billion, three hundred forty million, eight hundred seventy-eight thousand, fifty-two".