25041505454 has 32 divisors (see below), whose sum is σ = 43290567936. Its totient is φ = 10641888000.

The previous prime is 25041505451. The next prime is 25041505513. The reversal of 25041505454 is 45450514052.

It is a super-2 number, since 2×25041505454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25041505451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781982 + ... + 813374.

It is an arithmetic number, because the mean of its divisors is an integer number (1352830248).

Almost surely, 2^25041505454 is an apocalyptic number.

25041505454 is a deficient number, since it is larger than the sum of its proper divisors (18249062482).

25041505454 is a wasteful number, since it uses less digits than its factorization.

25041505454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31880.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 25041505454 in words is "twenty-five billion, forty-one million, five hundred five thousand, four hundred fifty-four".