25742129754 has 48 divisors (see below), whose sum is σ = 57091116096. Its totient is φ = 7731588480.

The previous prime is 25742129737. The next prime is 25742129789. The reversal of 25742129754 is 45792124752.

It is a Curzon number.

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, 74854 + ... + 238929.

It is an arithmetic number, because the mean of its divisors is an integer number (1189398252).

Almost surely, 2^25742129754 is an apocalyptic number.

25742129754 is an abundant number, since it is smaller than the sum of its proper divisors (31348986342).

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

25742129754 is a wasteful number, since it uses less digits than its factorization.

25742129754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313923 (or 313912 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The spelling of 25742129754 in words is "twenty-five billion, seven hundred forty-two million, one hundred twenty-nine thousand, seven hundred fifty-four".