425336832 has 140 divisors (see below), whose sum is σ = 1272664206. Its totient is φ = 141557760.

The previous prime is 425336827. The next prime is 425337001. The reversal of 425336832 is 238633524.

It is a happy number.

425336832 is a `hidden beast` number, since 42 + 533 + 6 + 83 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 279023616 + 146313216 = 16704^2 + 12096^2 .

It is a super-2 number, since 2×425336832² = 361822841311592448, which contains 22 as substring.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 663232 + ... + 663872.

Almost surely, 2^425336832 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 425336832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636332103).

425336832 is an abundant number, since it is smaller than the sum of its proper divisors (847327374).

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

425336832 is an frugal number, since it uses more digits than its factorization.

425336832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 646 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 425336832 is about 20623.6958860433. The cubic root of 425336832 is about 752.0458701460.

The spelling of 425336832 in words is "four hundred twenty-five million, three hundred thirty-six thousand, eight hundred thirty-two".