401505502 has 24 divisors (see below), whose sum is σ = 619788312. Its totient is φ = 195054000.

The previous prime is 401505499. The next prime is 401505593. The reversal of 401505502 is 205505104.

It is a super-2 number, since 2×401505502² = 322413336272544008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702877 + ... + 703447.

It is an arithmetic number, because the mean of its divisors is an integer number (25824513).

Almost surely, 2^401505502 is an apocalyptic number.

401505502 is a deficient number, since it is larger than the sum of its proper divisors (218282810).

401505502 is a wasteful number, since it uses less digits than its factorization.

401505502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 401505502 is about 20037.6022018604. The cubic root of 401505502 is about 737.7295285575.

The spelling of 401505502 in words is "four hundred one million, five hundred five thousand, five hundred two".