40944402 has 12 divisors (see below), whose sum is σ = 88712910. Its totient is φ = 13648128.

The previous prime is 40944383. The next prime is 40944403. The reversal of 40944402 is 20444904.

It can be written as a sum of positive squares in only one way, i.e., 21150801 + 19793601 = 4599^2 + 4449^2 .

It is not an unprimeable number, because it can be changed into a prime (40944403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1137327 + ... + 1137362.

Almost surely, 2^40944402 is an apocalyptic number.

40944402 is an abundant number, since it is smaller than the sum of its proper divisors (47768508).

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

40944402 is a wasteful number, since it uses less digits than its factorization.

40944402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274697 (or 2274694 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40944402 is about 6398.7812902146. The cubic root of 40944402 is about 344.6657885055.

The spelling of 40944402 in words is "forty million, nine hundred forty-four thousand, four hundred two".