40738046 has 16 divisors (see below), whose sum is σ = 62010576. Its totient is φ = 20070336.

The previous prime is 40738021. The next prime is 40738063. The reversal of 40738046 is 64083704.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42545 + ... + 43491.

It is an arithmetic number, because the mean of its divisors is an integer number (3875661).

Almost surely, 2^40738046 is an apocalyptic number.

40738046 is a deficient number, since it is larger than the sum of its proper divisors (21272530).

40738046 is a wasteful number, since it uses less digits than its factorization.

40738046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40738046 is about 6382.6362891833. The cubic root of 40738046 is about 344.0857851226.

The spelling of 40738046 in words is "forty million, seven hundred thirty-eight thousand, forty-six".