40886244 has 72 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 11544192.

The previous prime is 40886239. The next prime is 40886291. The reversal of 40886244 is 44268804.

40886244 is a `hidden beast` number, since 408 + 8 + 6 + 244 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 40886199 and 40886208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21517 + ... + 23339.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^40886244 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 40886244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59754240).

40886244 is an abundant number, since it is smaller than the sum of its proper divisors (78622236).

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

40886244 is a wasteful number, since it uses less digits than its factorization.

40886244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 40886244 is about 6394.2352161928. The cubic root of 40886244 is about 344.5025218137.

The spelling of 40886244 in words is "forty million, eight hundred eighty-six thousand, two hundred forty-four".