25416429892 has 24 divisors (see below), whose sum is σ = 50867974080. Its totient is φ = 10885231200.

The previous prime is 25416429889. The next prime is 25416429931. The reversal of 25416429892 is 29892461452.

It is a super-2 number, since 2×25416429892² (a number of 22 digits) contains 22 as substring.

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, 272167 + ... + 353422.

It is an arithmetic number, because the mean of its divisors is an integer number (2119498920).

Almost surely, 2^25416429892 is an apocalyptic number.

It is an amenable number.

25416429892 is an abundant number, since it is smaller than the sum of its proper divisors (25451544188).

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

25416429892 is a wasteful number, since it uses less digits than its factorization.

25416429892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627051 (or 627049 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 25416429892 in words is "twenty-five billion, four hundred sixteen million, four hundred twenty-nine thousand, eight hundred ninety-two".