40433832 has 48 divisors (see below), whose sum is σ = 110272500. Its totient is φ = 13383936.

The previous prime is 40433807. The next prime is 40433867. The reversal of 40433832 is 23833404.

It can be written as a sum of positive squares in 2 ways, for example, as 40373316 + 60516 = 6354^2 + 246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40433796 and 40433805.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8844 + ... + 12612.

Almost surely, 2^40433832 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 40433832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55136250).

40433832 is an abundant number, since it is smaller than the sum of its proper divisors (69838668).

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

40433832 is a wasteful number, since it uses less digits than its factorization.

40433832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40433832 is about 6358.7602565280. The cubic root of 40433832 is about 343.2271499541.

It can be divided in two parts, 4043 and 3832, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 40433832 in words is "forty million, four hundred thirty-three thousand, eight hundred thirty-two".