401880008 has 8 divisors (see below), whose sum is σ = 753525030. Its totient is φ = 200940000.

The previous prime is 401879993. The next prime is 401880013. The reversal of 401880008 is 800088104.

It can be written as a sum of positive squares in only one way, i.e., 241553764 + 160326244 = 15542^2 + 12662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25117493 + ... + 25117508.

Almost surely, 2^401880008 is an apocalyptic number.

It is an amenable number.

401880008 is a deficient number, since it is larger than the sum of its proper divisors (351645022).

401880008 is a wasteful number, since it uses less digits than its factorization.

401880008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50235007 (or 50235003 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 401880008 is about 20046.9451039304. The cubic root of 401880008 is about 737.9588307516.

The spelling of 401880008 in words is "four hundred one million, eight hundred eighty thousand, eight".