401889502 has 16 divisors (see below), whose sum is σ = 689513472. Its totient is φ = 172098360.

The previous prime is 401889493. The next prime is 401889559. The reversal of 401889502 is 205988104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227 + ... + 29257.

It is an arithmetic number, because the mean of its divisors is an integer number (43094592).

Almost surely, 2^401889502 is an apocalyptic number.

401889502 is a deficient number, since it is larger than the sum of its proper divisors (287623970).

401889502 is a wasteful number, since it uses less digits than its factorization.

401889502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 401889502 is about 20047.1818967156. The cubic root of 401889502 is about 737.9646418775.

The spelling of 401889502 in words is "four hundred one million, eight hundred eighty-nine thousand, five hundred two".