464778012 has 48 divisors (see below), whose sum is σ = 1124323200. Its totient is φ = 149257920.

The previous prime is 464777939. The next prime is 464778029. The reversal of 464778012 is 210877464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197539 + ... + 199877.

It is an arithmetic number, because the mean of its divisors is an integer number (23423400).

Almost surely, 2^464778012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464778012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562161600).

464778012 is an abundant number, since it is smaller than the sum of its proper divisors (659545188).

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

464778012 is a wasteful number, since it uses less digits than its factorization.

464778012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946 (or 2944 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 464778012 is about 21558.7108148887. The cubic root of 464778012 is about 774.6077860014.

The spelling of 464778012 in words is "four hundred sixty-four million, seven hundred seventy-eight thousand, twelve".