40992445 has 16 divisors (see below), whose sum is σ = 53453232. Its totient is φ = 29998080.

The previous prime is 40992437. The next prime is 40992451. The reversal of 40992445 is 54429904.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 16499844 + 24492601 = 4062^2 + 4949^2 .

It is not a de Polignac number, because 40992445 - 2³ = 40992437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4555 + ... + 10135.

It is an arithmetic number, because the mean of its divisors is an integer number (3340827).

Almost surely, 2^40992445 is an apocalyptic number.

It is an amenable number.

40992445 is a deficient number, since it is larger than the sum of its proper divisors (12460787).

40992445 is a wasteful number, since it uses less digits than its factorization.

40992445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 40992445 is about 6402.5342638677. The cubic root of 40992445 is about 344.8005428338.

The spelling of 40992445 in words is "forty million, nine hundred ninety-two thousand, four hundred forty-five".