400230044412432 has 160 divisors (see below), whose sum is σ = 1117495975680000. Its totient is φ = 122701564102656.

The previous prime is 400230044412277. The next prime is 400230044412493. The reversal of 400230044412432 is 234214440032004.

It is a junction number, because it is equal to n+sod(n) for n = 400230044412393 and 400230044412402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877182694 + ... + 877638842.

It is an arithmetic number, because the mean of its divisors is an integer number (6984349848000).

Almost surely, 2^{400230044412432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400230044412432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558747987840000).

400230044412432 is an abundant number, since it is smaller than the sum of its proper divisors (717265931267568).

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

400230044412432 is a wasteful number, since it uses less digits than its factorization.

400230044412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461265 (or 461259 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 400230044412432 its reverse (234214440032004), we get a palindrome (634444484444436).

The spelling of 400230044412432 in words is "four hundred trillion, two hundred thirty billion, forty-four million, four hundred twelve thousand, four hundred thirty-two".