40565860 has 12 divisors (see below), whose sum is σ = 85188348. Its totient is φ = 16226336.

The previous prime is 40565849. The next prime is 40565869. The reversal of 40565860 is 6856504.

It can be written as a sum of positive squares in 2 ways, for example, as 31091776 + 9474084 = 5576^2 + 3078^2 .

It is not an unprimeable number, because it can be changed into a prime (40565869) 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, 1014127 + ... + 1014166.

It is an arithmetic number, because the mean of its divisors is an integer number (7099029).

Almost surely, 2^40565860 is an apocalyptic number.

It is an amenable number.

40565860 is an abundant number, since it is smaller than the sum of its proper divisors (44622488).

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

40565860 is a wasteful number, since it uses less digits than its factorization.

40565860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028302 (or 2028300 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 40565860 is about 6369.1333790399. The cubic root of 40565860 is about 343.6003222739.

The spelling of 40565860 in words is "forty million, five hundred sixty-five thousand, eight hundred sixty".