40233472 has 40 divisors (see below), whose sum is σ = 81021600. Its totient is φ = 19958784.

The previous prime is 40233449. The next prime is 40233493. The reversal of 40233472 is 27433204.

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, 91429 + ... + 91867.

It is an arithmetic number, because the mean of its divisors is an integer number (2025540).

Almost surely, 2^40233472 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 40233472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40510800).

40233472 is an abundant number, since it is smaller than the sum of its proper divisors (40788128).

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

40233472 is an equidigital number, since it uses as much as digits as its factorization.

40233472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40233472 is about 6342.9860475962. The cubic root of 40233472 is about 342.6592847826.

Adding to 40233472 its reverse (27433204), we get a palindrome (67666676).

The spelling of 40233472 in words is "forty million, two hundred thirty-three thousand, four hundred seventy-two".