40039130379 has 4 divisors (see below), whose sum is σ = 53385507176. Its totient is φ = 26692753584.

The previous prime is 40039130359. The next prime is 40039130393. The reversal of 40039130379 is 97303193004.

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

It is not a de Polignac number, because 40039130379 - 2¹⁵ = 40039097611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40039130359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6673188394 + ... + 6673188399.

It is an arithmetic number, because the mean of its divisors is an integer number (13346376794).

Almost surely, 2^40039130379 is an apocalyptic number.

40039130379 is a deficient number, since it is larger than the sum of its proper divisors (13346376797).

40039130379 is a wasteful number, since it uses less digits than its factorization.

40039130379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346376796.

The product of its (nonzero) digits is 61236, while the sum is 39.

The spelling of 40039130379 in words is "forty billion, thirty-nine million, one hundred thirty thousand, three hundred seventy-nine".