42002331765 has 16 divisors (see below), whose sum is σ = 67214689728. Its totient is φ = 22397590656.

The previous prime is 42002331697. The next prime is 42002331769. The reversal of 42002331765 is 56713320024.

42002331765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42002331765 - 2¹¹ = 42002329717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002331769) 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, 131947 + ... + 318456.

It is an arithmetic number, because the mean of its divisors is an integer number (4200918108).

Almost surely, 2^42002331765 is an apocalyptic number.

It is an amenable number.

42002331765 is a deficient number, since it is larger than the sum of its proper divisors (25212357963).

42002331765 is a wasteful number, since it uses less digits than its factorization.

42002331765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456628.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 42002331765 its reverse (56713320024), we get a palindrome (98715651789).

The spelling of 42002331765 in words is "forty-two billion, two million, three hundred thirty-one thousand, seven hundred sixty-five".