25620413522 has 16 divisors (see below), whose sum is σ = 42050984544. Its totient is φ = 11610456000.

The previous prime is 25620413521. The next prime is 25620413531. The reversal of 25620413522 is 22531402652.

It is not an unprimeable number, because it can be changed into a prime (25620413521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751879 + ... + 1766442.

It is an arithmetic number, because the mean of its divisors is an integer number (2628186534).

Almost surely, 2^25620413522 is an apocalyptic number.

25620413522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25620413522 is a deficient number, since it is larger than the sum of its proper divisors (16430571022).

25620413522 is a wasteful number, since it uses less digits than its factorization.

25620413522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518665.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 25620413522 in words is "twenty-five billion, six hundred twenty million, four hundred thirteen thousand, five hundred twenty-two".