25424050454 has 16 divisors (see below), whose sum is σ = 43411818240. Its totient is φ = 11053934760.

The previous prime is 25424050447. The next prime is 25424050489. The reversal of 25424050454 is 45405042452.

It is a super-2 number, since 2×25424050454² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25122074 + ... + 25123085.

It is an arithmetic number, because the mean of its divisors is an integer number (2713238640).

Almost surely, 2^25424050454 is an apocalyptic number.

25424050454 is a deficient number, since it is larger than the sum of its proper divisors (17987767786).

25424050454 is a wasteful number, since it uses less digits than its factorization.

25424050454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50245195.

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 25424050454 in words is "twenty-five billion, four hundred twenty-four million, fifty thousand, four hundred fifty-four".