425514816 has 56 divisors (see below), whose sum is σ = 1250939840. Its totient is φ = 141837696.

The previous prime is 425514809. The next prime is 425514827. The reversal of 425514816 is 618415524.

It is a happy number.

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

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, 121396 + ... + 124851.

Almost surely, 2^425514816 is an apocalyptic number.

It is an amenable number.

425514816 is an abundant number, since it is smaller than the sum of its proper divisors (825425024).

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

425514816 is a wasteful number, since it uses less digits than its factorization.

425514816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246268 (or 246252 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 425514816 is about 20628.0104712015. The cubic root of 425514816 is about 752.1507544448.

The spelling of 425514816 in words is "four hundred twenty-five million, five hundred fourteen thousand, eight hundred sixteen".