401043860 has 24 divisors (see below), whose sum is σ = 962505600. Its totient is φ = 137500704.

The previous prime is 401043859. The next prime is 401043883. The reversal of 401043860 is 68340104.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1432160 + ... + 1432439.

It is an arithmetic number, because the mean of its divisors is an integer number (40104400).

Almost surely, 2^401043860 is an apocalyptic number.

It is an amenable number.

401043860 is an abundant number, since it is smaller than the sum of its proper divisors (561461740).

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

401043860 is a wasteful number, since it uses less digits than its factorization.

401043860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864615 (or 2864613 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 401043860 is about 20026.0794964966. The cubic root of 401043860 is about 737.4466785159.

Adding to 401043860 its reverse (68340104), we get a palindrome (469383964).

The spelling of 401043860 in words is "four hundred one million, forty-three thousand, eight hundred sixty".