464880864 has 48 divisors (see below), whose sum is σ = 1394644608. Its totient is φ = 132822912.

The previous prime is 464880841. The next prime is 464880887. The reversal of 464880864 is 468088464.

It is an interprime number because it is at equal distance from previous prime (464880841) and next prime (464880887).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×464880864² = 432228435426772992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 345222 + ... + 346565.

It is an arithmetic number, because the mean of its divisors is an integer number (29055096).

Almost surely, 2^464880864 is an apocalyptic number.

It is an amenable number.

464880864 is an abundant number, since it is smaller than the sum of its proper divisors (929763744).

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

464880864 is a wasteful number, since it uses less digits than its factorization.

464880864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691807 (or 691799 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 464880864 is about 21561.0960760347. The cubic root of 464880864 is about 774.6649201471.

The spelling of 464880864 in words is "four hundred sixty-four million, eight hundred eighty thousand, eight hundred sixty-four".