342545887872 has 256 divisors, whose sum is σ = 1049655888000. Its totient is φ = 109843292160.

The previous prime is 342545887837. The next prime is 342545887891. The reversal of 342545887872 is 278788545243.

342545887872 is a `hidden beast` number, since 3 + 4 + 2 + 545 + 8 + 8 + 7 + 87 + 2 = 666.

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 31 ways as a sum of consecutive naturals, for example, 28156863 + ... + 28169025.

Almost surely, 2^342545887872 is an apocalyptic number.

342545887872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342545887872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524827944000).

342545887872 is an abundant number, since it is smaller than the sum of its proper divisors (707110000128).

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

342545887872 is a wasteful number, since it uses less digits than its factorization.

342545887872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12496 (or 12478 counting only the distinct ones).

The product of its digits is 120422400, while the sum is 63.

The spelling of 342545887872 in words is "three hundred forty-two billion, five hundred forty-five million, eight hundred eighty-seven thousand, eight hundred seventy-two".