642087432230874 has 64 divisors (see below), whose sum is σ = 1487739674776320. Its totient is φ = 180939667622400.

The previous prime is 642087432230863. The next prime is 642087432230911. The reversal of 642087432230874 is 478032234780246.

642087432230874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×642087432230874³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1059616372 + ... + 1060222160.

It is an arithmetic number, because the mean of its divisors is an integer number (23245932418380).

Almost surely, 2^{642087432230874} is an apocalyptic number.

642087432230874 is an abundant number, since it is smaller than the sum of its proper divisors (845652242545446).

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

642087432230874 is a wasteful number, since it uses less digits than its factorization.

642087432230874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951575.

The product of its (nonzero) digits is 86704128, while the sum is 60.

The spelling of 642087432230874 in words is "six hundred forty-two trillion, eighty-seven billion, four hundred thirty-two million, two hundred thirty thousand, eight hundred seventy-four".