25125455040 has 112 divisors (see below), whose sum is σ = 91169532672. Its totient is φ = 5742959616.

The previous prime is 25125455039. The next prime is 25125455041. The reversal of 25125455040 is 4055452152.

It is an interprime number because it is at equal distance from previous prime (25125455039) and next prime (25125455041).

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×25125455040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25125454992 and 25125455010.

It is not an unprimeable number, because it can be changed into a prime (25125455041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862734 + ... + 1876173.

Almost surely, 2^25125455040 is an apocalyptic number.

25125455040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25125455040 is an abundant number, since it is smaller than the sum of its proper divisors (66044077632).

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

25125455040 is a wasteful number, since it uses less digits than its factorization.

25125455040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738934 (or 3738924 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 25125455040 in words is "twenty-five billion, one hundred twenty-five million, four hundred fifty-five thousand, forty".