40043470 has 32 divisors (see below), whose sum is σ = 74644416. Its totient is φ = 15456000.

The previous prime is 40043467. The next prime is 40043489. The reversal of 40043470 is 7434004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40927 + ... + 41893.

It is an arithmetic number, because the mean of its divisors is an integer number (2332638).

Almost surely, 2^40043470 is an apocalyptic number.

40043470 is a deficient number, since it is larger than the sum of its proper divisors (34600946).

40043470 is a wasteful number, since it uses less digits than its factorization.

40043470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40043470 is about 6327.9909924083. The cubic root of 40043470 is about 342.1190322414.

Adding to 40043470 its reverse (7434004), we get a palindrome (47477474).

The spelling of 40043470 in words is "forty million, forty-three thousand, four hundred seventy".