40804884 has 30 divisors (see below), whose sum is σ = 106672874. Its totient is φ = 13601520.

The previous prime is 40804861. The next prime is 40804889. The reversal of 40804884 is 48840804.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 202500 = 6372^2 + 450^2 .

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 (40804889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62647 + ... + 63294.

Almost surely, 2^40804884 is an apocalyptic number.

It is an amenable number.

40804884 is an abundant number, since it is smaller than the sum of its proper divisors (65867990).

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

40804884 is a wasteful number, since it uses less digits than its factorization.

40804884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125957 (or 125946 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 40804884 is about 6387.8700675577. The cubic root of 40804884 is about 344.2738602512.

The spelling of 40804884 in words is "forty million, eight hundred four thousand, eight hundred eighty-four".