40233432 has 16 divisors (see below), whose sum is σ = 100583640. Its totient is φ = 13411136.

The previous prime is 40233409. The next prime is 40233449. The reversal of 40233432 is 23433204.

It is a junction number, because it is equal to n+sod(n) for n = 40233399 and 40233408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838173 + ... + 838220.

Almost surely, 2^40233432 is an apocalyptic number.

It is an amenable number.

40233432 is an abundant number, since it is smaller than the sum of its proper divisors (60350208).

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

40233432 is a wasteful number, since it uses less digits than its factorization.

40233432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676402 (or 1676398 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40233432 is about 6342.9828945063. The cubic root of 40233432 is about 342.6591712256.

Adding to 40233432 its reverse (23433204), we get a palindrome (63666636).

The spelling of 40233432 in words is "forty million, two hundred thirty-three thousand, four hundred thirty-two".