42380336202257 has 4 divisors (see below), whose sum is σ = 42383539808820. Its totient is φ = 42377132595696.

The previous prime is 42380336202247. The next prime is 42380336202319. The reversal of 42380336202257 is 75220263308324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35260425926401 + 7119910275856 = 5938049^2 + 2668316^2 .

It is a cyclic number.

It is not a de Polignac number, because 42380336202257 - 2⁴⁰ = 41280824574481 is a prime.

It is a super-2 number, since 2×42380336202257² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42380336202247) 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, 1601783438 + ... + 1601809895.

It is an arithmetic number, because the mean of its divisors is an integer number (10595884952205).

Almost surely, 2^{42380336202257} is an apocalyptic number.

It is an amenable number.

42380336202257 is a deficient number, since it is larger than the sum of its proper divisors (3203606563).

42380336202257 is a wasteful number, since it uses less digits than its factorization.

42380336202257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203606562.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 42380336202257 in words is "forty-two trillion, three hundred eighty billion, three hundred thirty-six million, two hundred two thousand, two hundred fifty-seven".