401832664 has 32 divisors (see below), whose sum is σ = 785341440. Its totient is φ = 192535200.

The previous prime is 401832659. The next prime is 401832679. The reversal of 401832664 is 466238104.

It is a super-2 number, since 2×401832664² = 322938979714673792, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 17679 + ... + 33409.

It is an arithmetic number, because the mean of its divisors is an integer number (24541920).

Almost surely, 2^401832664 is an apocalyptic number.

It is an amenable number.

401832664 is a deficient number, since it is larger than the sum of its proper divisors (383508776).

401832664 is a wasteful number, since it uses less digits than its factorization.

401832664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871 (or 15867 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 401832664 is about 20045.7642408565. The cubic root of 401832664 is about 737.9298508784.

The spelling of 401832664 in words is "four hundred one million, eight hundred thirty-two thousand, six hundred sixty-four".