25414245454 has 32 divisors (see below), whose sum is σ = 43227394560. Its totient is φ = 11108988000.

The previous prime is 25414245413. The next prime is 25414245487. The reversal of 25414245454 is 45454241452.

It is a super-2 number, since 2×25414245454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440599 + ... + 2450989.

It is an arithmetic number, because the mean of its divisors is an integer number (1350856080).

Almost surely, 2^25414245454 is an apocalyptic number.

25414245454 is a deficient number, since it is larger than the sum of its proper divisors (17813149106).

25414245454 is a wasteful number, since it uses less digits than its factorization.

25414245454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15376.

The product of its digits is 512000, while the sum is 40.

The spelling of 25414245454 in words is "twenty-five billion, four hundred fourteen million, two hundred forty-five thousand, four hundred fifty-four".