40744892 has 24 divisors (see below), whose sum is σ = 75373200. Its totient is φ = 19218816.

The previous prime is 40744883. The next prime is 40744897. The reversal of 40744892 is 29844704.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19448 + ... + 21440.

It is an arithmetic number, because the mean of its divisors is an integer number (3140550).

Almost surely, 2^40744892 is an apocalyptic number.

It is an amenable number.

40744892 is a deficient number, since it is larger than the sum of its proper divisors (34628308).

40744892 is a wasteful number, since it uses less digits than its factorization.

40744892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40744892 is about 6383.1725654254. The cubic root of 40744892 is about 344.1050585011.

The spelling of 40744892 in words is "forty million, seven hundred forty-four thousand, eight hundred ninety-two".