401563140 has 48 divisors (see below), whose sum is σ = 1226594880. Its totient is φ = 97348480.

The previous prime is 401563121. The next prime is 401563163. The reversal of 401563140 is 41365104.

It is a super-2 number, since 2×401563140² = 322505910813319200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401563140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303555 + ... + 304874.

It is an arithmetic number, because the mean of its divisors is an integer number (25554060).

Almost surely, 2^401563140 is an apocalyptic number.

It is an amenable number.

401563140 is an abundant number, since it is smaller than the sum of its proper divisors (825031740).

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

401563140 is a wasteful number, since it uses less digits than its factorization.

401563140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608452 (or 608450 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 401563140 is about 20039.0403961866. The cubic root of 401563140 is about 737.7648283810.

The spelling of 401563140 in words is "four hundred one million, five hundred sixty-three thousand, one hundred forty".