642048482286 has 32 divisors (see below), whose sum is σ = 1429125012480. Its totient is φ = 213663569688.

The previous prime is 642048482249. The next prime is 642048482293. The reversal of 642048482286 is 682284840246.

642048482286 is a `hidden beast` number, since 6 + 4 + 2 + 0 + 484 + 82 + 2 + 86 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9761116 + ... + 9826671.

It is an arithmetic number, because the mean of its divisors is an integer number (44660156640).

Almost surely, 2^642048482286 is an apocalyptic number.

642048482286 is an abundant number, since it is smaller than the sum of its proper divisors (787076530194).

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

642048482286 is a wasteful number, since it uses less digits than its factorization.

642048482286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588405 (or 19588399 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 54.

The spelling of 642048482286 in words is "six hundred forty-two billion, forty-eight million, four hundred eighty-two thousand, two hundred eighty-six".