40747908 has 12 divisors (see below), whose sum is σ = 95078480. Its totient is φ = 13582632.

The previous prime is 40747907. The next prime is 40747909. The reversal of 40747908 is 80974704.

It is an interprime number because it is at equal distance from previous prime (40747907) and next prime (40747909).

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

It is not an unprimeable number, because it can be changed into a prime (40747907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697818 + ... + 1697841.

Almost surely, 2^40747908 is an apocalyptic number.

It is an amenable number.

40747908 is an abundant number, since it is smaller than the sum of its proper divisors (54330572).

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

40747908 is a wasteful number, since it uses less digits than its factorization.

40747908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395666 (or 3395664 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40747908 is about 6383.4088072126. The cubic root of 40747908 is about 344.1135486880.

The spelling of 40747908 in words is "forty million, seven hundred forty-seven thousand, nine hundred eight".