40366944 has 96 divisors (see below), whose sum is σ = 123984000. Its totient is φ = 12742272.

The previous prime is 40366939. The next prime is 40366957. The reversal of 40366944 is 44966304.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 40366899 and 40366908.

It is a congruent number.

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, 15187 + ... + 17645.

It is an arithmetic number, because the mean of its divisors is an integer number (1291500).

Almost surely, 2^40366944 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 40366944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61992000).

40366944 is an abundant number, since it is smaller than the sum of its proper divisors (83617056).

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

40366944 is a wasteful number, since it uses less digits than its factorization.

40366944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 40366944 is about 6353.4985637836. The cubic root of 40366944 is about 343.0377833810.

The spelling of 40366944 in words is "forty million, three hundred sixty-six thousand, nine hundred forty-four".