464213632 has 16 divisors (see below), whose sum is σ = 924800850. Its totient is φ = 232106752.

The previous prime is 464213627. The next prime is 464213639. The reversal of 464213632 is 236312464.

It can be written as a sum of positive squares in only one way, i.e., 464143936 + 69696 = 21544^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×464213632² = 430988592269262848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 464213594 and 464213603.

It is not an unprimeable number, because it can be changed into a prime (464213639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813207 + ... + 1813462.

Almost surely, 2^464213632 is an apocalyptic number.

It is an amenable number.

464213632 is a deficient number, since it is larger than the sum of its proper divisors (460587218).

464213632 is an equidigital number, since it uses as much as digits as its factorization.

464213632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626683 (or 3626671 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 464213632 is about 21545.6174662041. The cubic root of 464213632 is about 774.2941235622.

The spelling of 464213632 in words is "four hundred sixty-four million, two hundred thirteen thousand, six hundred thirty-two".