25622433452 has 96 divisors (see below), whose sum is σ = 57939840000. Its totient is φ = 9620432640.

The previous prime is 25622433433. The next prime is 25622433467. The reversal of 25622433452 is 25433422652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5347874 + ... + 5352662.

It is an arithmetic number, because the mean of its divisors is an integer number (603540000).

Almost surely, 2^25622433452 is an apocalyptic number.

25622433452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25622433452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28969920000).

25622433452 is an abundant number, since it is smaller than the sum of its proper divisors (32317406548).

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

25622433452 is a wasteful number, since it uses less digits than its factorization.

25622433452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5437 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

The spelling of 25622433452 in words is "twenty-five billion, six hundred twenty-two million, four hundred thirty-three thousand, four hundred fifty-two".