642484535026 has 8 divisors (see below), whose sum is σ = 963731654640. Its totient is φ = 321240650148.

The previous prime is 642484535009. The next prime is 642484535029. The reversal of 642484535026 is 620535484246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (642484535029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229036 + ... + 1156471.

It is an arithmetic number, because the mean of its divisors is an integer number (120466456830).

Almost surely, 2^642484535026 is an apocalyptic number.

642484535026 is a deficient number, since it is larger than the sum of its proper divisors (321247119614).

642484535026 is a wasteful number, since it uses less digits than its factorization.

642484535026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617368.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 642484535026 in words is "six hundred forty-two billion, four hundred eighty-four million, five hundred thirty-five thousand, twenty-six".