40382939913 has 8 divisors (see below), whose sum is σ = 53870623008. Its totient is φ = 26908608384.

The previous prime is 40382939899. The next prime is 40382939921. The reversal of 40382939913 is 31993928304.

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

It is not a de Polignac number, because 40382939913 - 2⁴ = 40382939897 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40382539913) 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, 3330831 + ... + 3342932.

It is an arithmetic number, because the mean of its divisors is an integer number (6733827876).

Almost surely, 2^40382939913 is an apocalyptic number.

It is an amenable number.

40382939913 is a deficient number, since it is larger than the sum of its proper divisors (13487683095).

40382939913 is a wasteful number, since it uses less digits than its factorization.

40382939913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675783.

The product of its (nonzero) digits is 1259712, while the sum is 51.

It can be divided in two parts, 4038 and 2939913, that added together give a triangular number (2943951 = T₂₄₂₆).

The spelling of 40382939913 in words is "forty billion, three hundred eighty-two million, nine hundred thirty-nine thousand, nine hundred thirteen".