401342764 has 6 divisors (see below), whose sum is σ = 702349844. Its totient is φ = 200671380.

The previous prime is 401342743. The next prime is 401342813. The reversal of 401342764 is 467243104.

It is a super-2 number, since 2×401342764² = 322152028430319392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50167842 + ... + 50167849.

Almost surely, 2^401342764 is an apocalyptic number.

It is an amenable number.

401342764 is a deficient number, since it is larger than the sum of its proper divisors (301007080).

401342764 is a wasteful number, since it uses less digits than its factorization.

401342764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100335695 (or 100335693 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 401342764 is about 20033.5409750748. The cubic root of 401342764 is about 737.6298430393.

Adding to 401342764 its reverse (467243104), we get a palindrome (868585868).

The spelling of 401342764 in words is "four hundred one million, three hundred forty-two thousand, seven hundred sixty-four".