25377742132 has 24 divisors (see below), whose sum is σ = 44517150720. Its totient is φ = 12658585440.

The previous prime is 25377742109. The next prime is 25377742177. The reversal of 25377742132 is 23124777352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7482157 + ... + 7485547.

It is an arithmetic number, because the mean of its divisors is an integer number (1854881280).

Almost surely, 2^25377742132 is an apocalyptic number.

It is an amenable number.

25377742132 is a deficient number, since it is larger than the sum of its proper divisors (19139408588).

25377742132 is a wasteful number, since it uses less digits than its factorization.

25377742132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311 (or 7309 counting only the distinct ones).

The product of its digits is 493920, while the sum is 43.

The spelling of 25377742132 in words is "twenty-five billion, three hundred seventy-seven million, seven hundred forty-two thousand, one hundred thirty-two".