40884660 has 144 divisors (see below), whose sum is σ = 135862272. Its totient is φ = 9907200.

The previous prime is 40884659. The next prime is 40884661. The reversal of 40884660 is 6648804.

It is an interprime number because it is at equal distance from previous prime (40884659) and next prime (40884661).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40884661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94645 + ... + 95075.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^40884660 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 40884660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67931136).

40884660 is an abundant number, since it is smaller than the sum of its proper divisors (94977612).

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

40884660 is a wasteful number, since it uses less digits than its factorization.

40884660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 40884660 is about 6394.1113534251. Note that the first 3 decimals coincide. The cubic root of 40884660 is about 344.4980728924.

The spelling of 40884660 in words is "forty million, eight hundred eighty-four thousand, six hundred sixty".