642822148002 has 32 divisors (see below), whose sum is σ = 1294021274112. Its totient is φ = 212878283904.

The previous prime is 642822147971. The next prime is 642822148021. The reversal of 642822148002 is 200841228246.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6955983 + ... + 7047789.

It is an arithmetic number, because the mean of its divisors is an integer number (40438164816).

Almost surely, 2^642822148002 is an apocalyptic number.

642822148002 is an abundant number, since it is smaller than the sum of its proper divisors (651199126110).

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

642822148002 is a wasteful number, since it uses less digits than its factorization.

642822148002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99402.

The product of its (nonzero) digits is 98304, while the sum is 39.

The spelling of 642822148002 in words is "six hundred forty-two billion, eight hundred twenty-two million, one hundred forty-eight thousand, two".