25346413928 has 32 divisors (see below), whose sum is σ = 51877488960. Its totient is φ = 11513863680.

The previous prime is 25346413921. The next prime is 25346413933. The reversal of 25346413928 is 82931464352.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25346413921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51800 + ... + 231032.

It is an arithmetic number, because the mean of its divisors is an integer number (1621171530).

Almost surely, 2^25346413928 is an apocalyptic number.

It is an amenable number.

25346413928 is an abundant number, since it is smaller than the sum of its proper divisors (26531075032).

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

25346413928 is a wasteful number, since it uses less digits than its factorization.

25346413928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180857 (or 180853 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The spelling of 25346413928 in words is "twenty-five billion, three hundred forty-six million, four hundred thirteen thousand, nine hundred twenty-eight".