40444236 has 72 divisors (see below), whose sum is σ = 123002880. Its totient is φ = 10946016.

The previous prime is 40444213. The next prime is 40444237. The reversal of 40444236 is 63244404.

It is not an unprimeable number, because it can be changed into a prime (40444237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565 + ... + 9011.

Almost surely, 2^40444236 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 40444236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61501440).

40444236 is an abundant number, since it is smaller than the sum of its proper divisors (82558644).

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

40444236 is a wasteful number, since it uses less digits than its factorization.

40444236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483 (or 8478 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 40444236 is about 6359.5782879056. The cubic root of 40444236 is about 343.2565859393.

The spelling of 40444236 in words is "forty million, four hundred forty-four thousand, two hundred thirty-six".