401980876 has 36 divisors (see below), whose sum is σ = 794165344. Its totient is φ = 177772320.

The previous prime is 401980849. The next prime is 401980883. The reversal of 401980876 is 678089104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6685 + ... + 29131.

Almost surely, 2^401980876 is an apocalyptic number.

It is an amenable number.

401980876 is a deficient number, since it is larger than the sum of its proper divisors (392184468).

401980876 is a wasteful number, since it uses less digits than its factorization.

401980876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22510 (or 22497 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 401980876 is about 20049.4607408778. The cubic root of 401980876 is about 738.0205657662.

The spelling of 401980876 in words is "four hundred one million, nine hundred eighty thousand, eight hundred seventy-six".