25072879942 has 16 divisors (see below), whose sum is σ = 41152313664. Its totient is φ = 11362329000.

The previous prime is 25072879927. The next prime is 25072879969. The reversal of 25072879942 is 24997827052.

It is a congruent number.

It is an unprimeable number.

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, 1714284 + ... + 1728847.

It is an arithmetic number, because the mean of its divisors is an integer number (2572019604).

Almost surely, 2^25072879942 is an apocalyptic number.

25072879942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25072879942 is a deficient number, since it is larger than the sum of its proper divisors (16079433722).

25072879942 is a wasteful number, since it uses less digits than its factorization.

25072879942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443475.

The product of its (nonzero) digits is 5080320, while the sum is 55.

It can be divided in two parts, 25072879 and 942, that added together give a triangular number (25073821 = T₇₀₈₁).

The spelling of 25072879942 in words is "twenty-five billion, seventy-two million, eight hundred seventy-nine thousand, nine hundred forty-two".