25452137675450 has 48 divisors (see below), whose sum is σ = 49206250910880. Its totient is φ = 9786351021120.

The previous prime is 25452137675441. The next prime is 25452137675453. The reversal of 25452137675450 is 5457673125452.

It is a super-2 number, since 2×25452137675450² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25452137675453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82725440 + ... + 83032539.

It is an arithmetic number, because the mean of its divisors is an integer number (1025130227310).

Almost surely, 2^{25452137675450} is an apocalyptic number.

25452137675450 is a deficient number, since it is larger than the sum of its proper divisors (23754113235430).

25452137675450 is a wasteful number, since it uses less digits than its factorization.

25452137675450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165758111 (or 165758106 counting only the distinct ones).

The product of its (nonzero) digits is 35280000, while the sum is 56.

The spelling of 25452137675450 in words is "twenty-five trillion, four hundred fifty-two billion, one hundred thirty-seven million, six hundred seventy-five thousand, four hundred fifty".