25423829880 has 64 divisors (see below), whose sum is σ = 76316376960. Its totient is φ = 6775698048.

The previous prime is 25423829867. The next prime is 25423829891. The reversal of 25423829880 is 8892832452.

It is a super-2 number, since 2×25423829880² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145279 + ... + 268241.

It is an arithmetic number, because the mean of its divisors is an integer number (1192443390).

Almost surely, 2^25423829880 is an apocalyptic number.

25423829880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25423829880 is an abundant number, since it is smaller than the sum of its proper divisors (50892547080).

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

25423829880 is a wasteful number, since it uses less digits than its factorization.

25423829880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124700 (or 124696 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 25423829880 in words is "twenty-five billion, four hundred twenty-three million, eight hundred twenty-nine thousand, eight hundred eighty".