25670971404 has 72 divisors (see below), whose sum is σ = 70327398960. Its totient is φ = 7848427392.

The previous prime is 25670971357. The next prime is 25670971411. The reversal of 25670971404 is 40417907652.

It is a self number, because there is not a number n which added to its sum of digits gives 25670971404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101214 + ... + 248165.

It is an arithmetic number, because the mean of its divisors is an integer number (976769430).

Almost surely, 2^25670971404 is an apocalyptic number.

It is an amenable number.

25670971404 is an abundant number, since it is smaller than the sum of its proper divisors (44656427556).

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

25670971404 is a wasteful number, since it uses less digits than its factorization.

25670971404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349559 (or 349554 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 25670971404 in words is "twenty-five billion, six hundred seventy million, nine hundred seventy-one thousand, four hundred four".