40909330 has 32 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 12750720.

The previous prime is 40909307. The next prime is 40909339. The reversal of 40909330 is 3390904.

It is not an unprimeable number, because it can be changed into a prime (40909339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25795 + ... + 27334.

It is an arithmetic number, because the mean of its divisors is an integer number (2869020).

Almost surely, 2^40909330 is an apocalyptic number.

40909330 is an abundant number, since it is smaller than the sum of its proper divisors (50899310).

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

40909330 is a wasteful number, since it uses less digits than its factorization.

40909330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53154.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 40909330 is about 6396.0401812371. The cubic root of 40909330 is about 344.5673495570.

The spelling of 40909330 in words is "forty million, nine hundred nine thousand, three hundred thirty".