40028592 has 40 divisors (see below), whose sum is σ = 108852160. Its totient is φ = 12640320.

The previous prime is 40028543. The next prime is 40028617. The reversal of 40028592 is 29582004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21034 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (2721304).

Almost surely, 2^40028592 is an apocalyptic number.

It is an amenable number.

40028592 is an abundant number, since it is smaller than the sum of its proper divisors (68823568).

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

40028592 is a wasteful number, since it uses less digits than its factorization.

40028592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43921 (or 43915 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40028592 is about 6326.8153126198. The cubic root of 40028592 is about 342.0766559814.

The spelling of 40028592 in words is "forty million, twenty-eight thousand, five hundred ninety-two".