64004262420 has 96 divisors (see below), whose sum is σ = 204879096576. Its totient is φ = 14624870400.

The previous prime is 64004262419. The next prime is 64004262449. The reversal of 64004262420 is 2426240046.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1388950 + ... + 1434290.

It is an arithmetic number, because the mean of its divisors is an integer number (2134157256).

Almost surely, 2^64004262420 is an apocalyptic number.

64004262420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64004262420 is an abundant number, since it is smaller than the sum of its proper divisors (140874834156).

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

64004262420 is a wasteful number, since it uses less digits than its factorization.

64004262420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48721 (or 48719 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 64004262420 in words is "sixty-four billion, four million, two hundred sixty-two thousand, four hundred twenty".