40099044 has 24 divisors (see below), whose sum is σ = 98489440. Its totient is φ = 12662784.

The previous prime is 40099001. The next prime is 40099049. The reversal of 40099044 is 44099004.

It is not an unprimeable number, because it can be changed into a prime (40099049) 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, 87709 + ... + 88164.

Almost surely, 2^40099044 is an apocalyptic number.

It is an amenable number.

40099044 is an abundant number, since it is smaller than the sum of its proper divisors (58390396).

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

40099044 is a wasteful number, since it uses less digits than its factorization.

40099044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175899 (or 175897 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 40099044 is about 6332.3805950053. The cubic root of 40099044 is about 342.2772281073.

The spelling of 40099044 in words is "forty million, ninety-nine thousand, forty-four".