40003326013 has 8 divisors (see below), whose sum is σ = 46078072832. Its totient is φ = 34018575696.

The previous prime is 40003326007. The next prime is 40003326029. The reversal of 40003326013 is 31062330004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40003326013 - 2⁹ = 40003325501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003326113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22498170 + ... + 22499947.

It is an arithmetic number, because the mean of its divisors is an integer number (5759759104).

Almost surely, 2^40003326013 is an apocalyptic number.

It is an amenable number.

40003326013 is a deficient number, since it is larger than the sum of its proper divisors (6074746819).

40003326013 is a wasteful number, since it uses less digits than its factorization.

40003326013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44998251.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 40003326013 its reverse (31062330004), we get a palindrome (71065656017).

The spelling of 40003326013 in words is "forty billion, three million, three hundred twenty-six thousand, thirteen".