25113514440 has 128 divisors (see below), whose sum is σ = 86137344000. Its totient is φ = 5737974528.

The previous prime is 25113514411. The next prime is 25113514477. The reversal of 25113514440 is 4441531152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25113514398 and 25113514407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3119941 + ... + 3127979.

It is an arithmetic number, because the mean of its divisors is an integer number (672948000).

Almost surely, 2^25113514440 is an apocalyptic number.

25113514440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25113514440 is an abundant number, since it is smaller than the sum of its proper divisors (61023829560).

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

25113514440 is a wasteful number, since it uses less digits than its factorization.

25113514440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779 (or 11775 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 25113514440 in words is "twenty-five billion, one hundred thirteen million, five hundred fourteen thousand, four hundred forty".