464025690 has 96 divisors (see below), whose sum is σ = 1272450816. Its totient is φ = 117089280.

The previous prime is 464025671. The next prime is 464025703. The reversal of 464025690 is 96520464.

464025690 is a `hidden beast` number, since 4 + 640 + 2 + 5 + 6 + 9 + 0 = 666.

It is a super-2 number, since 2×464025690² = 430639681959952200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199635 + ... + 201945.

It is an arithmetic number, because the mean of its divisors is an integer number (13254696).

Almost surely, 2^464025690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464025690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636225408).

464025690 is an abundant number, since it is smaller than the sum of its proper divisors (808425126).

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

464025690 is a wasteful number, since it uses less digits than its factorization.

464025690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 464025690 is about 21541.2555344390. The cubic root of 464025690 is about 774.1896156235.

The spelling of 464025690 in words is "four hundred sixty-four million, twenty-five thousand, six hundred ninety".