464604428020 has 48 divisors (see below), whose sum is σ = 1001237041728. Its totient is φ = 180996641280.

The previous prime is 464604427993. The next prime is 464604428051. The reversal of 464604428020 is 20824406464.

It is a happy number.

It is a super-2 number, since 2×464604428020² (a number of 24 digits) contains 22 as substring.

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, 480021 + ... + 1076860.

It is an arithmetic number, because the mean of its divisors is an integer number (20859105036).

Almost surely, 2^464604428020 is an apocalyptic number.

It is an amenable number.

464604428020 is an abundant number, since it is smaller than the sum of its proper divisors (536632613708).

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

464604428020 is a wasteful number, since it uses less digits than its factorization.

464604428020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557280 (or 1557278 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 464604428020 in words is "four hundred sixty-four billion, six hundred four million, four hundred twenty-eight thousand, twenty".