25156937342 has 32 divisors (see below), whose sum is σ = 40027115520. Its totient is φ = 11838652000.

The previous prime is 25156937339. The next prime is 25156937353. The reversal of 25156937342 is 24373965152.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665843 + ... + 702609.

It is an arithmetic number, because the mean of its divisors is an integer number (1250847360).

Almost surely, 2^25156937342 is an apocalyptic number.

25156937342 is a deficient number, since it is larger than the sum of its proper divisors (14870178178).

25156937342 is a wasteful number, since it uses less digits than its factorization.

25156937342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37096.

The product of its digits is 1360800, while the sum is 47.

The spelling of 25156937342 in words is "twenty-five billion, one hundred fifty-six million, nine hundred thirty-seven thousand, three hundred forty-two".