25422524140 has 24 divisors (see below), whose sum is σ = 57494016720. Its totient is φ = 9386778048.

The previous prime is 25422524111. The next prime is 25422524147. The reversal of 25422524140 is 4142522452.

It is not an unprimeable number, because it can be changed into a prime (25422524147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48889210 + ... + 48889729.

It is an arithmetic number, because the mean of its divisors is an integer number (2395584030).

Almost surely, 2^25422524140 is an apocalyptic number.

25422524140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25422524140 is an abundant number, since it is smaller than the sum of its proper divisors (32071492580).

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

25422524140 is a wasteful number, since it uses less digits than its factorization.

25422524140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97778961 (or 97778959 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 25422524140 in words is "twenty-five billion, four hundred twenty-two million, five hundred twenty-four thousand, one hundred forty".