38097561402 has 24 divisors (see below), whose sum is σ = 82562054484. Its totient is φ = 12696519744.

The previous prime is 38097561401. The next prime is 38097561421. The reversal of 38097561402 is 20416579083.

38097561402 is a `hidden beast` number, since 3 + 80 + 9 + 7 + 561 + 4 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36653485401 + 1444076001 = 191451^2 + 38001^2 .

It is not an unprimeable number, because it can be changed into a prime (38097561401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133243 + ... + 306510.

It is a 1-persistent number, because it is pandigital, but 2⋅38097561402 = 76195122804 is not.

Almost surely, 2^38097561402 is an apocalyptic number.

38097561402 is an abundant number, since it is smaller than the sum of its proper divisors (44464493082).

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

38097561402 is a wasteful number, since it uses less digits than its factorization.

38097561402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444574 (or 444571 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 38097561402 in words is "thirty-eight billion, ninety-seven million, five hundred sixty-one thousand, four hundred two".