39240453193 has 24 divisors (see below), whose sum is σ = 41228571200. Its totient is φ = 37319784480.

The previous prime is 39240453191. The next prime is 39240453199. The reversal of 39240453193 is 39135404293.

It is not a de Polignac number, because 39240453193 - 2¹ = 39240453191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39240453191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25629838 + ... + 25631368.

Almost surely, 2^39240453193 is an apocalyptic number.

It is an amenable number.

39240453193 is a deficient number, since it is larger than the sum of its proper divisors (1988118007).

39240453193 is a wasteful number, since it uses less digits than its factorization.

39240453193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 39240453193 in words is "thirty-nine billion, two hundred forty million, four hundred fifty-three thousand, one hundred ninety-three".