40099472 has 20 divisors (see below), whose sum is σ = 88791936. Its totient is φ = 17185440.

The previous prime is 40099469. The next prime is 40099513. The reversal of 40099472 is 27499004.

40099472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178904 + ... + 179127.

Almost surely, 2^40099472 is an apocalyptic number.

It is an amenable number.

40099472 is an abundant number, since it is smaller than the sum of its proper divisors (48692464).

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

40099472 is a wasteful number, since it uses less digits than its factorization.

40099472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358046 (or 358040 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40099472 is about 6332.4143894726. The cubic root of 40099472 is about 342.2784458764.

The spelling of 40099472 in words is "forty million, ninety-nine thousand, four hundred seventy-two".