401843560 has 32 divisors (see below), whose sum is σ = 905036040. Its totient is φ = 160579584.

The previous prime is 401843543. The next prime is 401843567. The reversal of 401843560 is 65348104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 401842116 + 1444 = 20046^2 + 38^2 .

It is a super-2 number, since 2×401843560² = 322956493426947200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401843567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41764 + ... + 50476.

Almost surely, 2^401843560 is an apocalyptic number.

401843560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401843560 is an abundant number, since it is smaller than the sum of its proper divisors (503192480).

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

401843560 is a wasteful number, since it uses less digits than its factorization.

401843560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877 (or 9873 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 401843560 is about 20046.0360171282. The cubic root of 401843560 is about 737.9365206622.

The spelling of 401843560 in words is "four hundred one million, eight hundred forty-three thousand, five hundred sixty".