40799860 has 12 divisors (see below), whose sum is σ = 85679748. Its totient is φ = 16319936.

The previous prime is 40799809. The next prime is 40799867. The reversal of 40799860 is 6899704.

It can be written as a sum of positive squares in 2 ways, for example, as 22033636 + 18766224 = 4694^2 + 4332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799867) 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, 1019977 + ... + 1020016.

It is an arithmetic number, because the mean of its divisors is an integer number (7139979).

Almost surely, 2^40799860 is an apocalyptic number.

It is an amenable number.

40799860 is an abundant number, since it is smaller than the sum of its proper divisors (44879888).

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

40799860 is a wasteful number, since it uses less digits than its factorization.

40799860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040002 (or 2040000 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 40799860 is about 6387.4768101340. The cubic root of 40799860 is about 344.2597303832.

The spelling of 40799860 in words is "forty million, seven hundred ninety-nine thousand, eight hundred sixty".