40240308 has 12 divisors (see below), whose sum is σ = 93894080. Its totient is φ = 13413432.

The previous prime is 40240261. The next prime is 40240339. The reversal of 40240308 is 80304204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676668 + ... + 1676691.

Almost surely, 2^40240308 is an apocalyptic number.

It is an amenable number.

40240308 is an abundant number, since it is smaller than the sum of its proper divisors (53653772).

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

40240308 is a wasteful number, since it uses less digits than its factorization.

40240308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353366 (or 3353364 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40240308 is about 6343.5248876315. The cubic root of 40240308 is about 342.6786905668.

The spelling of 40240308 in words is "forty million, two hundred forty thousand, three hundred eight".