401348808 has 72 divisors (see below), whose sum is σ = 1264464630. Its totient is φ = 114670080.

The previous prime is 401348747. The next prime is 401348809. The reversal of 401348808 is 808843104.

It can be written as a sum of positive squares in only one way, i.e., 355624164 + 45724644 = 18858^2 + 6762^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×401348808² = 322161731366041728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (401348809) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53353 + ... + 60408.

Almost surely, 2^401348808 is an apocalyptic number.

It is an amenable number.

401348808 is an abundant number, since it is smaller than the sum of its proper divisors (863115822).

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

401348808 is a wasteful number, since it uses less digits than its factorization.

401348808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113787 (or 113773 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 401348808 is about 20033.6918215291. The cubic root of 401348808 is about 737.6335457865.

The spelling of 401348808 in words is "four hundred one million, three hundred forty-eight thousand, eight hundred eight".