342866543490 has 48 divisors (see below), whose sum is σ = 924469797888. Its totient is φ = 91431077616.

The previous prime is 342866543489. The next prime is 342866543531. The reversal of 342866543490 is 94345668243.

342866543490 is a `hidden beast` number, since 3 + 4 + 2 + 8 + 6 + 6 + 543 + 4 + 90 = 666.

It is a super-2 number, since 2×342866543490² (a number of 24 digits) contains 22 as substring.

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 a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70546242 + ... + 70551101.

It is an arithmetic number, because the mean of its divisors is an integer number (19259787456).

Almost surely, 2^342866543490 is an apocalyptic number.

342866543490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342866543490 is an abundant number, since it is smaller than the sum of its proper divisors (581603254398).

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

342866543490 is a wasteful number, since it uses less digits than its factorization.

342866543490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141097365 (or 141097353 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 342866543490 in words is "three hundred forty-two billion, eight hundred sixty-six million, five hundred forty-three thousand, four hundred ninety".