42859149930 has 96 divisors (see below), whose sum is σ = 114075112320. Its totient is φ = 11160777600.

The previous prime is 42859149917. The next prime is 42859149937. The reversal of 42859149930 is 3994195824.

42859149930 is a `hidden beast` number, since 4 + 2 + 8 + 591 + 49 + 9 + 3 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42859149937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775084 + ... + 828536.

It is an arithmetic number, because the mean of its divisors is an integer number (1188282420).

Almost surely, 2^42859149930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42859149930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57037556160).

42859149930 is an abundant number, since it is smaller than the sum of its proper divisors (71215962390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42859149930 is a wasteful number, since it uses less digits than its factorization.

42859149930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53676 (or 53673 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 42859149930 in words is "forty-two billion, eight hundred fifty-nine million, one hundred forty-nine thousand, nine hundred thirty".