25496670980 has 24 divisors (see below), whose sum is σ = 58410555840. Its totient is φ = 9271516640.

The previous prime is 25496670959. The next prime is 25496671001. The reversal of 25496670980 is 8907669452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25496670959) and next prime (25496671001).

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, 57946760 + ... + 57947199.

It is an arithmetic number, because the mean of its divisors is an integer number (2433773160).

Almost surely, 2^25496670980 is an apocalyptic number.

25496670980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25496670980 is an abundant number, since it is smaller than the sum of its proper divisors (32913884860).

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

25496670980 is a wasteful number, since it uses less digits than its factorization.

25496670980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115893979 (or 115893977 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 25496670980 in words is "twenty-five billion, four hundred ninety-six million, six hundred seventy thousand, nine hundred eighty".