40447070 has 32 divisors (see below), whose sum is σ = 74400768. Its totient is φ = 15828768.

The previous prime is 40447061. The next prime is 40447073. The reversal of 40447070 is 7074404.

40447070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40447073) 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, 110027 + ... + 110393.

It is an arithmetic number, because the mean of its divisors is an integer number (2325024).

Almost surely, 2^40447070 is an apocalyptic number.

40447070 is a deficient number, since it is larger than the sum of its proper divisors (33953698).

40447070 is a wasteful number, since it uses less digits than its factorization.

40447070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 40447070 is about 6359.8010975187. The cubic root of 40447070 is about 343.2646032864.

It can be divided in two parts, 404 and 47070, that added together give a palindrome (47474).

The spelling of 40447070 in words is "forty million, four hundred forty-seven thousand, seventy".