501042015400 has 48 divisors (see below), whose sum is σ = 1164969259740. Its totient is φ = 200408793600.

The previous prime is 501042015347. The next prime is 501042015413. The reversal of 501042015400 is 4510240105.

It can be written as a sum of positive squares in 6 ways, for example, as 52621607236 + 448420408164 = 229394^2 + 669642^2 .

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 11 ways as a sum of consecutive naturals, for example, 9661540 + ... + 9713260.

Almost surely, 2^501042015400 is an apocalyptic number.

501042015400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

501042015400 is an abundant number, since it is smaller than the sum of its proper divisors (663927244340).

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

501042015400 is a wasteful number, since it uses less digits than its factorization.

501042015400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100174 (or 100165 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 501042015400 its reverse (4510240105), we get a palindrome (505552255505).

The spelling of 501042015400 in words is "five hundred one billion, forty-two million, fifteen thousand, four hundred".