25677051442 has 48 divisors (see below), whose sum is σ = 46430489088. Its totient is φ = 10607708160.

The previous prime is 25677051419. The next prime is 25677051467. The reversal of 25677051442 is 24415077652.

It is a super-2 number, since 2×25677051442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 764323 + ... + 797209.

It is an arithmetic number, because the mean of its divisors is an integer number (967301856).

Almost surely, 2^25677051442 is an apocalyptic number.

25677051442 is a deficient number, since it is larger than the sum of its proper divisors (20753437646).

25677051442 is a wasteful number, since it uses less digits than its factorization.

25677051442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33191 (or 33184 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 25677051442 in words is "twenty-five billion, six hundred seventy-seven million, fifty-one thousand, four hundred forty-two".