42002310987 has 24 divisors (see below), whose sum is σ = 74670776544. Its totient is φ = 22155064704.

The previous prime is 42002310983. The next prime is 42002310997. The reversal of 42002310987 is 78901320024.

42002310987 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 42002310987 - 2² = 42002310983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42002310983) 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, 25641618 + ... + 25643255.

It is an arithmetic number, because the mean of its divisors is an integer number (3111282356).

Almost surely, 2^42002310987 is an apocalyptic number.

42002310987 is a deficient number, since it is larger than the sum of its proper divisors (32668465557).

42002310987 is a wasteful number, since it uses less digits than its factorization.

42002310987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51284899 (or 51284896 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 42002310987 in words is "forty-two billion, two million, three hundred ten thousand, nine hundred eighty-seven".