342494487858 has 32 divisors (see below), whose sum is σ = 686043043200. Its totient is φ = 113989239936.

The previous prime is 342494487817. The next prime is 342494487859. The reversal of 342494487858 is 858784494243.

It is a super-2 number, since 2×342494487858² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342494487859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19858803 + ... + 19876041.

It is an arithmetic number, because the mean of its divisors is an integer number (21438845100).

Almost surely, 2^342494487858 is an apocalyptic number.

342494487858 is an abundant number, since it is smaller than the sum of its proper divisors (343548555342).

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

342494487858 is a wasteful number, since it uses less digits than its factorization.

342494487858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22146.

The product of its digits is 247726080, while the sum is 66.

The spelling of 342494487858 in words is "three hundred forty-two billion, four hundred ninety-four million, four hundred eighty-seven thousand, eight hundred fifty-eight".