40074032 has 20 divisors (see below), whose sum is σ = 82211256. Its totient is φ = 18858240.

The previous prime is 40074031. The next prime is 40074053. The reversal of 40074032 is 23047004.

It is a happy number.

40074032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40073995 and 40074013.

It is not an unprimeable number, because it can be changed into a prime (40074031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73394 + ... + 73937.

Almost surely, 2^40074032 is an apocalyptic number.

It is an amenable number.

40074032 is an abundant number, since it is smaller than the sum of its proper divisors (42137224).

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

40074032 is a wasteful number, since it uses less digits than its factorization.

40074032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147356 (or 147350 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 40074032 is about 6330.4053582689. The cubic root of 40074032 is about 342.2060475355.

The spelling of 40074032 in words is "forty million, seventy-four thousand, thirty-two".