25946914920 has 32 divisors (see below), whose sum is σ = 77840745120. Its totient is φ = 6919177280.

The previous prime is 25946914907. The next prime is 25946914999. The reversal of 25946914920 is 2941964952.

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, 108112026 + ... + 108112265.

It is an arithmetic number, because the mean of its divisors is an integer number (2432523285).

Almost surely, 2^25946914920 is an apocalyptic number.

25946914920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25946914920 is an abundant number, since it is smaller than the sum of its proper divisors (51893830200).

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

25946914920 is a wasteful number, since it uses less digits than its factorization.

25946914920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216224305 (or 216224301 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 25946914920 in words is "twenty-five billion, nine hundred forty-six million, nine hundred fourteen thousand, nine hundred twenty".