425724628 has 24 divisors (see below), whose sum is σ = 856380672. Its totient is φ = 181396704.

The previous prime is 425724577. The next prime is 425724667. The reversal of 425724628 is 826427524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39100 + ... + 48787.

It is an arithmetic number, because the mean of its divisors is an integer number (35682528).

Almost surely, 2^425724628 is an apocalyptic number.

It is an amenable number.

425724628 is an abundant number, since it is smaller than the sum of its proper divisors (430656044).

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

425724628 is a wasteful number, since it uses less digits than its factorization.

425724628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88071 (or 88069 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 425724628 is about 20633.0954536638. The cubic root of 425724628 is about 752.2743571316.

The spelling of 425724628 in words is "four hundred twenty-five million, seven hundred twenty-four thousand, six hundred twenty-eight".