400232314415240 has 16 divisors (see below), whose sum is σ = 900522707434380. Its totient is φ = 160092925766080.

The previous prime is 400232314415177. The next prime is 400232314415243. The reversal of 400232314415240 is 42514413232004.

It can be written as a sum of positive squares in 2 ways, for example, as 365303481571396 + 34928832843844 = 19112914^2 + 5910062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400232314415240.

It is not an unprimeable number, because it can be changed into a prime (400232314415243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002903930151 + ... + 5002903930230.

Almost surely, 2^{400232314415240} is an apocalyptic number.

400232314415240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400232314415240 is an abundant number, since it is smaller than the sum of its proper divisors (500290393019140).

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

400232314415240 is a wasteful number, since it uses less digits than its factorization.

400232314415240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005807860392 (or 10005807860388 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 400232314415240 its reverse (42514413232004), we get a palindrome (442746727647244).

The spelling of 400232314415240 in words is "four hundred trillion, two hundred thirty-two billion, three hundred fourteen million, four hundred fifteen thousand, two hundred forty".