401004492 has 24 divisors (see below), whose sum is σ = 1069345536. Its totient is φ = 114572688.

The previous prime is 401004473. The next prime is 401004511. The reversal of 401004492 is 294400104.

It is an interprime number because it is at equal distance from previous prime (401004473) and next prime (401004511).

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 7 ways as a sum of consecutive naturals, for example, 2386848 + ... + 2387015.

It is an arithmetic number, because the mean of its divisors is an integer number (44556064).

Almost surely, 2^401004492 is an apocalyptic number.

401004492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401004492 is an abundant number, since it is smaller than the sum of its proper divisors (668341044).

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

401004492 is a wasteful number, since it uses less digits than its factorization.

401004492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773877 (or 4773875 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 401004492 is about 20025.0965540743. The cubic root of 401004492 is about 737.4225475303.

Adding to 401004492 its reverse (294400104), we get a palindrome (695404596).

The spelling of 401004492 in words is "four hundred one million, four thousand, four hundred ninety-two".