25036620140 has 48 divisors (see below), whose sum is σ = 61485295872. Its totient is φ = 8384354496.

The previous prime is 25036620113. The next prime is 25036620143. The reversal of 25036620140 is 4102663052.

It is not an unprimeable number, because it can be changed into a prime (25036620143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073434 + ... + 2085473.

It is an arithmetic number, because the mean of its divisors is an integer number (1280943664).

Almost surely, 2^25036620140 is an apocalyptic number.

25036620140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25036620140 is an abundant number, since it is smaller than the sum of its proper divisors (36448675732).

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

25036620140 is a wasteful number, since it uses less digits than its factorization.

25036620140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158966 (or 4158964 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 25036620140 in words is "twenty-five billion, thirty-six million, six hundred twenty thousand, one hundred forty".