40568620 has 12 divisors (see below), whose sum is σ = 85194144. Its totient is φ = 16227440.

The previous prime is 40568617. The next prime is 40568621. The reversal of 40568620 is 2686504.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (40568621) 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, 1014196 + ... + 1014235.

It is an arithmetic number, because the mean of its divisors is an integer number (7099512).

Almost surely, 2^40568620 is an apocalyptic number.

It is an amenable number.

40568620 is an abundant number, since it is smaller than the sum of its proper divisors (44625524).

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

40568620 is a wasteful number, since it uses less digits than its factorization.

40568620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028440 (or 2028438 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40568620 is about 6369.3500453343. The cubic root of 40568620 is about 343.6081146670.

The spelling of 40568620 in words is "forty million, five hundred sixty-eight thousand, six hundred twenty".