401880208 has 10 divisors (see below), whose sum is σ = 778642934. Its totient is φ = 200940096.

The previous prime is 401880203. The next prime is 401880277. The reversal of 401880208 is 802088104.

It can be written as a sum of positive squares in only one way, i.e., 262828944 + 139051264 = 16212^2 + 11792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401880208.

It is not an unprimeable number, because it can be changed into a prime (401880203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12558741 + ... + 12558772.

Almost surely, 2^401880208 is an apocalyptic number.

It is an amenable number.

401880208 is a deficient number, since it is larger than the sum of its proper divisors (376762726).

401880208 is a wasteful number, since it uses less digits than its factorization.

401880208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25117521 (or 25117515 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 401880208 is about 20046.9500922210. The cubic root of 401880208 is about 737.9589531693.

The spelling of 401880208 in words is "four hundred one million, eight hundred eighty thousand, two hundred eight".