39380390055 has 40 divisors (see below), whose sum is σ = 71026200432. Its totient is φ = 20873987712.

The previous prime is 39380390017. The next prime is 39380390057. The reversal of 39380390055 is 55009308393.

It is not a de Polignac number, because 39380390055 - 2¹² = 39380385959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39380390057) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 232254 + ... + 364283.

Almost surely, 2^39380390055 is an apocalyptic number.

39380390055 is a deficient number, since it is larger than the sum of its proper divisors (31645810377).

39380390055 is a wasteful number, since it uses less digits than its factorization.

39380390055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596717 (or 596708 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 39380390055 in words is "thirty-nine billion, three hundred eighty million, three hundred ninety thousand, fifty-five".