25416666980 has 24 divisors (see below), whose sum is σ = 53378743488. Its totient is φ = 10165953888.

The previous prime is 25416666953. The next prime is 25416666983. The reversal of 25416666980 is 8966661452.

It is not an unprimeable number, because it can be changed into a prime (25416666983) 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, 320897 + ... + 392183.

It is an arithmetic number, because the mean of its divisors is an integer number (2224114312).

Almost surely, 2^25416666980 is an apocalyptic number.

25416666980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25416666980 is an abundant number, since it is smaller than the sum of its proper divisors (27962076508).

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

25416666980 is a wasteful number, since it uses less digits than its factorization.

25416666980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89123 (or 89121 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 25416666980 in words is "twenty-five billion, four hundred sixteen million, six hundred sixty-six thousand, nine hundred eighty".