425378624 has 56 divisors (see below), whose sum is σ = 975043008. Its totient is φ = 181975040.

The previous prime is 425378617. The next prime is 425378633. The reversal of 425378624 is 426873524.

It is a super-2 number, since 2×425378624² = 361893947512266752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804 + ... + 29739.

Almost surely, 2^425378624 is an apocalyptic number.

425378624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

425378624 is an abundant number, since it is smaller than the sum of its proper divisors (549664384).

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

425378624 is a wasteful number, since it uses less digits than its factorization.

425378624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35583 (or 35573 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 425378624 is about 20624.7090646147. The cubic root of 425378624 is about 752.0705004071.

The spelling of 425378624 in words is "four hundred twenty-five million, three hundred seventy-eight thousand, six hundred twenty-four".