25450989958372 has 24 divisors (see below), whose sum is σ = 49718212945632. Its totient is φ = 11299593849600.

The previous prime is 25450989958333. The next prime is 25450989958391. The reversal of 25450989958372 is 27385998905452.

It is a super-2 number, since 2×25450989958372² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6725946829 + ... + 6725950612.

It is an arithmetic number, because the mean of its divisors is an integer number (2071592206068).

Almost surely, 2^{25450989958372} is an apocalyptic number.

25450989958372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25450989958372 is a deficient number, since it is larger than the sum of its proper divisors (24267222987260).

25450989958372 is a wasteful number, since it uses less digits than its factorization.

25450989958372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451897499 (or 13451897497 counting only the distinct ones).

The product of its (nonzero) digits is 1959552000, while the sum is 76.

The spelling of 25450989958372 in words is "twenty-five trillion, four hundred fifty billion, nine hundred eighty-nine million, nine hundred fifty-eight thousand, three hundred seventy-two".