400848432 has 20 divisors (see below), whose sum is σ = 1035525240. Its totient is φ = 133616128.

The previous prime is 400848397. The next prime is 400848433. The reversal of 400848432 is 234848004.

It is a junction number, because it is equal to n+sod(n) for n = 400848393 and 400848402.

It is not an unprimeable number, because it can be changed into a prime (400848433) 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, 4175457 + ... + 4175552.

It is an arithmetic number, because the mean of its divisors is an integer number (51776262).

Almost surely, 2^400848432 is an apocalyptic number.

It is an amenable number.

400848432 is an abundant number, since it is smaller than the sum of its proper divisors (634676808).

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

400848432 is a wasteful number, since it uses less digits than its factorization.

400848432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351020 (or 8351014 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 400848432 is about 20021.1995644617. The cubic root of 400848432 is about 737.3268735439.

It can be divided in two parts, 40084 and 8432, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 400848432 in words is "four hundred million, eight hundred forty-eight thousand, four hundred thirty-two".