401189768 has 32 divisors (see below), whose sum is σ = 864682560. Its totient is φ = 170940480.

The previous prime is 401189753. The next prime is 401189773. The reversal of 401189768 is 867981104.

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, 11018 + ... + 30393.

It is an arithmetic number, because the mean of its divisors is an integer number (27021330).

Almost surely, 2^401189768 is an apocalyptic number.

It is an amenable number.

401189768 is an abundant number, since it is smaller than the sum of its proper divisors (463492792).

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

401189768 is a wasteful number, since it uses less digits than its factorization.

401189768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41597 (or 41593 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 401189768 is about 20029.7221148972. The cubic root of 401189768 is about 737.5361004257.

The spelling of 401189768 in words is "four hundred one million, one hundred eighty-nine thousand, seven hundred sixty-eight".