40748718 has 32 divisors (see below), whose sum is σ = 83727360. Its totient is φ = 13214880.

The previous prime is 40748717. The next prime is 40748723. The reversal of 40748718 is 81784704.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40748713) 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, 64263 + ... + 64893.

It is an arithmetic number, because the mean of its divisors is an integer number (2616480).

Almost surely, 2^40748718 is an apocalyptic number.

40748718 is an abundant number, since it is smaller than the sum of its proper divisors (42978642).

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

40748718 is a wasteful number, since it uses less digits than its factorization.

40748718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 40748718 is about 6383.4722526224. The cubic root of 40748718 is about 344.1158288061.

The spelling of 40748718 in words is "forty million, seven hundred forty-eight thousand, seven hundred eighteen".