400413140 has 24 divisors (see below), whose sum is σ = 841300992. Its totient is φ = 160082720.

The previous prime is 400413137. The next prime is 400413157. The reversal of 400413140 is 41314004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47957 + ... + 55683.

It is an arithmetic number, because the mean of its divisors is an integer number (35054208).

Almost surely, 2^400413140 is an apocalyptic number.

It is an amenable number.

400413140 is an abundant number, since it is smaller than the sum of its proper divisors (440887852).

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

400413140 is a wasteful number, since it uses less digits than its factorization.

400413140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 400413140 is about 20010.3258344286. The cubic root of 400413140 is about 737.0598825726.

Adding to 400413140 its reverse (41314004), we get a palindrome (441727144).

The spelling of 400413140 in words is "four hundred million, four hundred thirteen thousand, one hundred forty".