502402344864 has 48 divisors (see below), whose sum is σ = 1507207036608. Its totient is φ = 143543526912.

The previous prime is 502402344859. The next prime is 502402344869. The reversal of 502402344864 is 468443204205.

502402344864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (502402344859) and next prime (502402344869).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×502402344864² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (502402344869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373810597 + ... + 373811940.

It is an arithmetic number, because the mean of its divisors is an integer number (31400146596).

Almost surely, 2^502402344864 is an apocalyptic number.

It is an amenable number.

502402344864 is an abundant number, since it is smaller than the sum of its proper divisors (1004804691744).

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

502402344864 is a wasteful number, since it uses less digits than its factorization.

502402344864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747622557 (or 747622549 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 42.

The spelling of 502402344864 in words is "five hundred two billion, four hundred two million, three hundred forty-four thousand, eight hundred sixty-four".