42730810239 has 96 divisors (see below), whose sum is σ = 64931328000. Its totient is φ = 24962491008.

The previous prime is 42730810211. The next prime is 42730810277. The reversal of 42730810239 is 93201803724.

It is not a de Polignac number, because 42730810239 - 2³¹ = 40583326591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 42730810197 and 42730810206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42730820239) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 178789882 + ... + 178790120.

It is an arithmetic number, because the mean of its divisors is an integer number (676368000).

Almost surely, 2^42730810239 is an apocalyptic number.

42730810239 is a deficient number, since it is larger than the sum of its proper divisors (22200517761).

42730810239 is a wasteful number, since it uses less digits than its factorization.

42730810239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 42730810239 in words is "forty-two billion, seven hundred thirty million, eight hundred ten thousand, two hundred thirty-nine".