40074440 has 64 divisors (see below), whose sum is σ = 109123200. Its totient is φ = 12930048.

The previous prime is 40074431. The next prime is 40074443. The reversal of 40074440 is 4447004.

40074440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40074443) 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 15 ways as a sum of consecutive naturals, for example, 551 + ... + 8969.

It is an arithmetic number, because the mean of its divisors is an integer number (1705050).

Almost surely, 2^40074440 is an apocalyptic number.

40074440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40074440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54561600).

40074440 is an abundant number, since it is smaller than the sum of its proper divisors (69048760).

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

40074440 is a wasteful number, since it uses less digits than its factorization.

40074440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454 (or 8450 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40074440 is about 6330.4375836114. The cubic root of 40074440 is about 342.2072088827.

The spelling of 40074440 in words is "forty million, seventy-four thousand, four hundred forty".