42502339855 has 8 divisors (see below), whose sum is σ = 51721157664. Its totient is φ = 33522972000.

The previous prime is 42502339853. The next prime is 42502339879. The reversal of 42502339855 is 55893320524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42502339855 - 2¹ = 42502339853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42502339853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59862096 + ... + 59862805.

It is an arithmetic number, because the mean of its divisors is an integer number (6465144708).

Almost surely, 2^42502339855 is an apocalyptic number.

42502339855 is a deficient number, since it is larger than the sum of its proper divisors (9218817809).

42502339855 is a wasteful number, since it uses less digits than its factorization.

42502339855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119724977.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 42502339855 in words is "forty-two billion, five hundred two million, three hundred thirty-nine thousand, eight hundred fifty-five".