40988844 has 36 divisors (see below), whose sum is σ = 111582016. Its totient is φ = 12611808.

The previous prime is 40988839. The next prime is 40988863. The reversal of 40988844 is 44888904.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40988844.

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, 43324 + ... + 44259.

Almost surely, 2^40988844 is an apocalyptic number.

It is an amenable number.

40988844 is an abundant number, since it is smaller than the sum of its proper divisors (70593172).

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

40988844 is a wasteful number, since it uses less digits than its factorization.

40988844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87606 (or 87601 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 40988844 is about 6402.2530409224. The cubic root of 40988844 is about 344.7904461512.

It can be divided in two parts, 409 and 88844, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 40988844 in words is "forty million, nine hundred eighty-eight thousand, eight hundred forty-four".