25224520452 has 36 divisors (see below), whose sum is σ = 60490982160. Its totient is φ = 8180920224.

The previous prime is 25224520429. The next prime is 25224520483. The reversal of 25224520452 is 25402542252.

It is a super-4 number, since 4×25224520452⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751302 + ... + 784157.

It is an arithmetic number, because the mean of its divisors is an integer number (1680305060).

Almost surely, 2^25224520452 is an apocalyptic number.

It is an amenable number.

25224520452 is an abundant number, since it is smaller than the sum of its proper divisors (35266461708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25224520452 is a wasteful number, since it uses less digits than its factorization.

25224520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535540 (or 1535501 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The spelling of 25224520452 in words is "twenty-five billion, two hundred twenty-four million, five hundred twenty thousand, four hundred fifty-two".