40233984 has 88 divisors (see below), whose sum is σ = 122623488. Its totient is φ = 11489280.

The previous prime is 40233983. The next prime is 40234027. The reversal of 40233984 is 48933204.

It is not an unprimeable number, because it can be changed into a prime (40233983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20569 + ... + 22439.

Almost surely, 2^40233984 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 40233984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61311744).

40233984 is an abundant number, since it is smaller than the sum of its proper divisors (82389504).

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

40233984 is a wasteful number, since it uses less digits than its factorization.

40233984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40233984 is about 6343.0264070079. The cubic root of 40233984 is about 342.6607383055.

The spelling of 40233984 in words is "forty million, two hundred thirty-three thousand, nine hundred eighty-four".