464139468 has 36 divisors (see below), whose sum is σ = 1263492048. Its totient is φ = 142812000.

The previous prime is 464139437. The next prime is 464139479. The reversal of 464139468 is 864931464.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495408 + ... + 496343.

Almost surely, 2^464139468 is an apocalyptic number.

It is an amenable number.

464139468 is an abundant number, since it is smaller than the sum of its proper divisors (799352580).

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

464139468 is a wasteful number, since it uses less digits than its factorization.

464139468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991774 (or 991769 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 464139468 is about 21543.8963049862. The cubic root of 464139468 is about 774.2528869391.

The spelling of 464139468 in words is "four hundred sixty-four million, one hundred thirty-nine thousand, four hundred sixty-eight".