426553632 has 54 divisors (see below), whose sum is σ = 1214009433. Its totient is φ = 142067712.

The previous prime is 426553601. The next prime is 426553637. The reversal of 426553632 is 236355624.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

426553632 is a `hidden beast` number, since 42 + 6 + 553 + 63 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 414692496 + 11861136 = 20364^2 + 3444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14604.

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

It is not an unprimeable number, because it can be changed into a prime (426553637) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 349888 + ... + 351104.

Almost surely, 2^426553632 is an apocalyptic number.

It is an amenable number.

426553632 is an abundant number, since it is smaller than the sum of its proper divisors (787455801).

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

426553632 is an equidigital number, since it uses as much as digits as its factorization.

426553632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 1222 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 426553632 is about 20653.1748648967. The cubic root of 426553632 is about 752.7623361745.

The spelling of 426553632 in words is "four hundred twenty-six million, five hundred fifty-three thousand, six hundred thirty-two".