503920260400 has 30 divisors (see below), whose sum is σ = 1210668426572. Its totient is φ = 201568104000.

The previous prime is 503920260383. The next prime is 503920260413. The reversal of 503920260400 is 4062029305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629899926 + ... + 629900725.

Almost surely, 2^503920260400 is an apocalyptic number.

503920260400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

503920260400 is an abundant number, since it is smaller than the sum of its proper divisors (706748166172).

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

503920260400 is a wasteful number, since it uses less digits than its factorization.

503920260400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259800669 (or 1259800658 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 503920260400 its reverse (4062029305), we get a palindrome (507982289705).

The spelling of 503920260400 in words is "five hundred three billion, nine hundred twenty million, two hundred sixty thousand, four hundred".