40718442 has 8 divisors (see below), whose sum is σ = 81436896. Its totient is φ = 13572812.

The previous prime is 40718423. The next prime is 40718443. The reversal of 40718442 is 24481704.

It is a sphenic number, since it is the product of 3 distinct primes.

40718442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40718443) 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, 3393198 + ... + 3393209.

It is an arithmetic number, because the mean of its divisors is an integer number (10179612).

Almost surely, 2^40718442 is an apocalyptic number.

40718442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40718442 is a wasteful number, since it uses less digits than its factorization.

40718442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786412.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 40718442 is about 6381.1003753271. The cubic root of 40718442 is about 344.0305825073.

The spelling of 40718442 in words is "forty million, seven hundred eighteen thousand, four hundred forty-two".