464427690 has 16 divisors (see below), whose sum is σ = 1114626528. Its totient is φ = 123847376.

The previous prime is 464427683. The next prime is 464427701. The reversal of 464427690 is 96724464.

It is a super-2 number, since 2×464427690² = 431386158477472200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7740432 + ... + 7740491.

It is an arithmetic number, because the mean of its divisors is an integer number (69664158).

Almost surely, 2^464427690 is an apocalyptic number.

464427690 is an abundant number, since it is smaller than the sum of its proper divisors (650198838).

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

464427690 is a wasteful number, since it uses less digits than its factorization.

464427690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480933.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 464427690 is about 21550.5844468311. The cubic root of 464427690 is about 774.4131193368.

The spelling of 464427690 in words is "four hundred sixty-four million, four hundred twenty-seven thousand, six hundred ninety".