425166464 has 32 divisors (see below), whose sum is σ = 896840100. Its totient is φ = 200077312.

The previous prime is 425166461. The next prime is 425166487. The reversal of 425166464 is 464661524.

It can be written as a sum of positive squares in 2 ways, for example, as 316840000 + 108326464 = 17800^2 + 10408^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×425166464² = 361533044220526592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425166461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95519 + ... + 99870.

Almost surely, 2^425166464 is an apocalyptic number.

It is an amenable number.

425166464 is an abundant number, since it is smaller than the sum of its proper divisors (471673636).

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

425166464 is a wasteful number, since it uses less digits than its factorization.

425166464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195420 (or 195408 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 425166464 is about 20619.5650778575. The cubic root of 425166464 is about 751.9454464726.

The spelling of 425166464 in words is "four hundred twenty-five million, one hundred sixty-six thousand, four hundred sixty-four".