40626918 has 12 divisors (see below), whose sum is σ = 88025028. Its totient is φ = 13542300.

The previous prime is 40626917. The next prime is 40626931. The reversal of 40626918 is 81962604.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40626913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128508 + ... + 1128543.

It is an arithmetic number, because the mean of its divisors is an integer number (7335419).

Almost surely, 2^40626918 is an apocalyptic number.

40626918 is an abundant number, since it is smaller than the sum of its proper divisors (47398110).

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

40626918 is a wasteful number, since it uses less digits than its factorization.

40626918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257059 (or 2257056 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40626918 is about 6373.9248505140. The cubic root of 40626918 is about 343.7726266979.

The spelling of 40626918 in words is "forty million, six hundred twenty-six thousand, nine hundred eighteen".