464519820 has 24 divisors (see below), whose sum is σ = 1300655664. Its totient is φ = 123871936.

The previous prime is 464519813. The next prime is 464519821. The reversal of 464519820 is 28915464.

It is not an unprimeable number, because it can be changed into a prime (464519821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870939 + ... + 3871058.

It is an arithmetic number, because the mean of its divisors is an integer number (54193986).

Almost surely, 2^464519820 is an apocalyptic number.

It is an amenable number.

464519820 is an abundant number, since it is smaller than the sum of its proper divisors (836135844).

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

464519820 is a wasteful number, since it uses less digits than its factorization.

464519820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742009 (or 7742007 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 464519820 is about 21552.7218698706. The cubic root of 464519820 is about 774.4643235500.

The spelling of 464519820 in words is "four hundred sixty-four million, five hundred nineteen thousand, eight hundred twenty".