39340404393 has 16 divisors (see below), whose sum is σ = 55167561216. Its totient is φ = 24902017920.

The previous prime is 39340404371. The next prime is 39340404479.

39340404393 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 39340404393 - 2²⁸ = 39071968937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39340404353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3985780 + ... + 3995637.

It is an arithmetic number, because the mean of its divisors is an integer number (3447972576).

Almost surely, 2^39340404393 is an apocalyptic number.

It is an amenable number.

39340404393 is a deficient number, since it is larger than the sum of its proper divisors (15827156823).

39340404393 is a wasteful number, since it uses less digits than its factorization.

39340404393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981504.

The product of its (nonzero) digits is 419904, while the sum is 42.

The spelling of 39340404393 in words is "thirty-nine billion, three hundred forty million, four hundred four thousand, three hundred ninety-three".