464889988464 has 40 divisors (see below), whose sum is σ = 1310144514432. Its totient is φ = 140875753920.

The previous prime is 464889988447. The next prime is 464889988469.

464889988464 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×464889988464² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 464889988464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464889988469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440236204 + ... + 440237259.

Almost surely, 2^464889988464 is an apocalyptic number.

464889988464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

464889988464 is an abundant number, since it is smaller than the sum of its proper divisors (845254525968).

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

464889988464 is a wasteful number, since it uses less digits than its factorization.

464889988464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880473485 (or 880473479 counting only the distinct ones).

The product of its digits is 3057647616, while the sum is 78.

The spelling of 464889988464 in words is "four hundred sixty-four billion, eight hundred eighty-nine million, nine hundred eighty-eight thousand, four hundred sixty-four".