40422660 has 48 divisors (see below), whose sum is σ = 114561216. Its totient is φ = 10648192.

The previous prime is 40422653. The next prime is 40422677. The reversal of 40422660 is 6622404.

It is a self number, because there is not a number n which added to its sum of digits gives 40422660.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (2386692).

Almost surely, 2^40422660 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 40422660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57280608).

40422660 is an abundant number, since it is smaller than the sum of its proper divisors (74138556).

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

40422660 is a wasteful number, since it uses less digits than its factorization.

40422660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40422660 is about 6357.8817227124. The cubic root of 40422660 is about 343.1955354476.

The spelling of 40422660 in words is "forty million, four hundred twenty-two thousand, six hundred sixty".