40731331006 has 4 divisors (see below), whose sum is σ = 61096996512. Its totient is φ = 20365665502.

The previous prime is 40731331001. The next prime is 40731331031. The reversal of 40731331006 is 60013313704.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40731331001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10182832750 + ... + 10182832753.

It is an arithmetic number, because the mean of its divisors is an integer number (15274249128).

Almost surely, 2^40731331006 is an apocalyptic number.

40731331006 is a deficient number, since it is larger than the sum of its proper divisors (20365665506).

40731331006 is a wasteful number, since it uses less digits than its factorization.

40731331006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365665505.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 40731331006 in words is "forty billion, seven hundred thirty-one million, three hundred thirty-one thousand, six".