2025128308 has 12 divisors (see below), whose sum is σ = 4050256672. Its totient is φ = 867912120.

The previous prime is 2025128299. The next prime is 2025128309. The reversal of 2025128308 is 8038215202.

2025128308 is an admirable number.

It is a super-2 number, since 2×2025128308² = 8202289327725885728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2025128308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025128309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36162978 + ... + 36163033.

Almost surely, 2^2025128308 is an apocalyptic number.

2025128308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2025128308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2025128308 is a wasteful number, since it uses less digits than its factorization.

2025128308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72326022 (or 72326020 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2025128308 is about 45001.4256218622. The cubic root of 2025128308 is about 1265.1757181681.

The spelling of 2025128308 in words is "two billion, twenty-five million, one hundred twenty-eight thousand, three hundred eight".