40412718 has 24 divisors (see below), whose sum is σ = 90581400. Its totient is φ = 13006224.

The previous prime is 40412717. The next prime is 40412719. The reversal of 40412718 is 81721404.

It is an interprime number because it is at equal distance from previous prime (40412717) and next prime (40412719).

It is a super-2 number, since 2×40412718² = 3266375552295048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40412691 and 40412700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38188 + ... + 39231.

It is an arithmetic number, because the mean of its divisors is an integer number (3774225).

Almost surely, 2^40412718 is an apocalyptic number.

40412718 is an abundant number, since it is smaller than the sum of its proper divisors (50168682).

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

40412718 is a wasteful number, since it uses less digits than its factorization.

40412718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77456 (or 77453 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 40412718 is about 6357.0998104482. The cubic root of 40412718 is about 343.1673966942.

The spelling of 40412718 in words is "forty million, four hundred twelve thousand, seven hundred eighteen".