40908049 has 16 divisors (see below), whose sum is σ = 50924160. Its totient is φ = 31996800.

The previous prime is 40908041. The next prime is 40908059. The reversal of 40908049 is 94080904.

It is a cyclic number.

It is not a de Polignac number, because 40908049 - 2³ = 40908041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40908041) 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, 5574 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (3182760).

Almost surely, 2^40908049 is an apocalyptic number.

It is an amenable number.

40908049 is a deficient number, since it is larger than the sum of its proper divisors (10016111).

40908049 is a wasteful number, since it uses less digits than its factorization.

40908049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 40908049 is about 6395.9400403694. The cubic root of 40908049 is about 344.5637530230.

The spelling of 40908049 in words is "forty million, nine hundred eight thousand, forty-nine".