40331579006 has 4 divisors (see below), whose sum is σ = 60497368512. Its totient is φ = 20165789502.

The previous prime is 40331579003. The next prime is 40331579021. The reversal of 40331579006 is 60097513304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331579003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10082894750 + ... + 10082894753.

It is an arithmetic number, because the mean of its divisors is an integer number (15124342128).

Almost surely, 2^40331579006 is an apocalyptic number.

40331579006 is a deficient number, since it is larger than the sum of its proper divisors (20165789506).

40331579006 is a wasteful number, since it uses less digits than its factorization.

40331579006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20165789505.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 40331579006 in words is "forty billion, three hundred thirty-one million, five hundred seventy-nine thousand, six".