401366492 has 12 divisors (see below), whose sum is σ = 702550296. Its totient is φ = 200637840.

The previous prime is 401366489. The next prime is 401366501. The reversal of 401366492 is 294663104.

It is a super-2 number, since 2×401366492² = 322190121800772128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15698 + ... + 32390.

It is an arithmetic number, because the mean of its divisors is an integer number (58545858).

Almost surely, 2^401366492 is an apocalyptic number.

It is an amenable number.

401366492 is a deficient number, since it is larger than the sum of its proper divisors (301183804).

401366492 is a wasteful number, since it uses less digits than its factorization.

401366492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708 (or 22706 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 401366492 is about 20034.1331731622. The cubic root of 401366492 is about 737.6443793555.

The spelling of 401366492 in words is "four hundred one million, three hundred sixty-six thousand, four hundred ninety-two".