25002272980 has 24 divisors (see below), whose sum is σ = 55593290088. Its totient is φ = 9412620288.

The previous prime is 25002272941. The next prime is 25002272983. The reversal of 25002272980 is 8927220052.

It can be written as a sum of positive squares in 4 ways, for example, as 5200717456 + 19801555524 = 72116^2 + 140718^2 .

It is a super-2 number, since 2×25002272980² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25002272983) 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, 36767709 + ... + 36768388.

It is an arithmetic number, because the mean of its divisors is an integer number (2316387087).

Almost surely, 2^25002272980 is an apocalyptic number.

25002272980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25002272980 is an abundant number, since it is smaller than the sum of its proper divisors (30591017108).

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

25002272980 is a wasteful number, since it uses less digits than its factorization.

25002272980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73536123 (or 73536121 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 25002272980 in words is "twenty-five billion, two million, two hundred seventy-two thousand, nine hundred eighty".