42002050415 has 16 divisors (see below), whose sum is σ = 56639556288. Its totient is φ = 29668336896.

The previous prime is 42002050379. The next prime is 42002050421. The reversal of 42002050415 is 51405020024.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42002050415 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14046014 + ... + 14049003.

It is an arithmetic number, because the mean of its divisors is an integer number (3539972268).

Almost surely, 2^42002050415 is an apocalyptic number.

42002050415 is a deficient number, since it is larger than the sum of its proper divisors (14637505873).

42002050415 is a wasteful number, since it uses less digits than its factorization.

42002050415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28095058.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 42002050415 its reverse (51405020024), we get a palindrome (93407070439).

The spelling of 42002050415 in words is "forty-two billion, two million, fifty thousand, four hundred fifteen".