501403616 has 48 divisors (see below), whose sum is σ = 1187544960. Its totient is φ = 203575680.

The previous prime is 501403571. The next prime is 501403619. The reversal of 501403616 is 616304105.

It is a super-2 number, since 2×501403616² = 502811172275750912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501403619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54650 + ... + 63161.

It is an arithmetic number, because the mean of its divisors is an integer number (24740520).

Almost surely, 2^501403616 is an apocalyptic number.

501403616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

501403616 is an abundant number, since it is smaller than the sum of its proper divisors (686141344).

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

501403616 is a wasteful number, since it uses less digits than its factorization.

501403616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117847 (or 117839 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 501403616 is about 22392.0435869529. The cubic root of 501403616 is about 794.4425325934.

The spelling of 501403616 in words is "five hundred one million, four hundred three thousand, six hundred sixteen".