40118408 has 32 divisors (see below), whose sum is σ = 83229120. Its totient is φ = 17976000.

The previous prime is 40118389. The next prime is 40118423. The reversal of 40118408 is 80481104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3038 + ... + 9458.

It is an arithmetic number, because the mean of its divisors is an integer number (2600910).

Almost surely, 2^40118408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40118408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41614560).

40118408 is an abundant number, since it is smaller than the sum of its proper divisors (43110712).

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

40118408 is a wasteful number, since it uses less digits than its factorization.

40118408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 40118408 is about 6333.9093773119. The cubic root of 40118408 is about 342.3323149539.

The spelling of 40118408 in words is "forty million, one hundred eighteen thousand, four hundred eight".