40564860 has 96 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 9109248.

The previous prime is 40564837. The next prime is 40564871. The reversal of 40564860 is 6846504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23962 + ... + 25598.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^40564860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40564860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

40564860 is an abundant number, since it is smaller than the sum of its proper divisors (91523460).

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

40564860 is a wasteful number, since it uses less digits than its factorization.

40564860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 40564860 is about 6369.0548749402. The cubic root of 40564860 is about 343.5974988558.

The spelling of 40564860 in words is "forty million, five hundred sixty-four thousand, eight hundred sixty".