425824056 has 96 divisors (see below), whose sum is σ = 1320939360. Its totient is φ = 121395456.

The previous prime is 425824037. The next prime is 425824057. The reversal of 425824056 is 650428524.

It is a happy number.

It is a super-2 number, since 2×425824056² = 362652253336582272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 425824056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425824057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389046 + ... + 390138.

It is an arithmetic number, because the mean of its divisors is an integer number (13759785).

Almost surely, 2^425824056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425824056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660469680).

425824056 is an abundant number, since it is smaller than the sum of its proper divisors (895115304).

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

425824056 is a wasteful number, since it uses less digits than its factorization.

425824056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 425824056 is about 20635.5047430394. The cubic root of 425824056 is about 752.3329171394.

The spelling of 425824056 in words is "four hundred twenty-five million, eight hundred twenty-four thousand, fifty-six".