502538775040 has 80 divisors (see below), whose sum is σ = 1227649816008. Its totient is φ = 197222711296.

The previous prime is 502538775031. The next prime is 502538775049. The reversal of 502538775040 is 40577835205.

It is an interprime number because it is at equal distance from previous prime (502538775031) and next prime (502538775049).

It can be written as a sum of positive squares in 4 ways, for example, as 307909570816 + 194629204224 = 554896^2 + 441168^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (502538775049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716247 + ... + 1987606.

Almost surely, 2^502538775040 is an apocalyptic number.

It is an amenable number.

502538775040 is an abundant number, since it is smaller than the sum of its proper divisors (725111040968).

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

502538775040 is an equidigital number, since it uses as much as digits as its factorization.

502538775040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703929 (or 3703913 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 502538775040 in words is "five hundred two billion, five hundred thirty-eight million, seven hundred seventy-five thousand, forty".