25542401534 has 64 divisors (see below), whose sum is σ = 43074618048. Its totient is φ = 11283148800.

The previous prime is 25542401453. The next prime is 25542401551. The reversal of 25542401534 is 43510424552.

It is a super-2 number, since 2×25542401534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25542401494 and 25542401503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24073364 + ... + 24074424.

It is an arithmetic number, because the mean of its divisors is an integer number (673040907).

Almost surely, 2^25542401534 is an apocalyptic number.

25542401534 is a deficient number, since it is larger than the sum of its proper divisors (17532216514).

25542401534 is a wasteful number, since it uses less digits than its factorization.

25542401534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 25542401534 in words is "twenty-five billion, five hundred forty-two million, four hundred one thousand, five hundred thirty-four".