40344006 has 16 divisors (see below), whose sum is σ = 80797248. Its totient is φ = 13429800.

The previous prime is 40343999. The next prime is 40344037. The reversal of 40344006 is 60044304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (5049828).

Almost surely, 2^40344006 is an apocalyptic number.

40344006 is an abundant number, since it is smaller than the sum of its proper divisors (40453242).

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

40344006 is a wasteful number, since it uses less digits than its factorization.

40344006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40344006 is about 6351.6931600952. The cubic root of 40344006 is about 342.9727954579.

It can be divided in two parts, 4034400 and 6, that multiplied together give a square (24206400 = 4920²).

The spelling of 40344006 in words is "forty million, three hundred forty-four thousand, six".