40718568 has 64 divisors (see below), whose sum is σ = 112363200. Its totient is φ = 12193280.

The previous prime is 40718551. The next prime is 40718603. The reversal of 40718568 is 86581704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22630 + ... + 24362.

It is an arithmetic number, because the mean of its divisors is an integer number (1755675).

Almost surely, 2^40718568 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 40718568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56181600).

40718568 is an abundant number, since it is smaller than the sum of its proper divisors (71644632).

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

40718568 is a wasteful number, since it uses less digits than its factorization.

40718568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 40718568 is about 6381.1102482248. The cubic root of 40718568 is about 344.0309373654.

It can be divided in two parts, 407185 and 68, that added together give a triangular number (407253 = T₉₀₂).

The spelling of 40718568 in words is "forty million, seven hundred eighteen thousand, five hundred sixty-eight".