400410140 has 24 divisors (see below), whose sum is σ = 905543520. Its totient is φ = 147843648.

The previous prime is 400410139. The next prime is 400410181. The reversal of 400410140 is 41014004.

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, 769760 + ... + 770279.

It is an arithmetic number, because the mean of its divisors is an integer number (37730980).

Almost surely, 2^400410140 is an apocalyptic number.

It is an amenable number.

400410140 is an abundant number, since it is smaller than the sum of its proper divisors (505133380).

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

400410140 is a wasteful number, since it uses less digits than its factorization.

400410140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540061 (or 1540059 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 400410140 is about 20010.2508729901. The cubic root of 400410140 is about 737.0580418196.

Adding to 400410140 its reverse (41014004), we get a palindrome (441424144).

The spelling of 400410140 in words is "four hundred million, four hundred ten thousand, one hundred forty".