642502130046304 has 96 divisors (see below), whose sum is σ = 1433505699505152. Its totient is φ = 280825406784000.

The previous prime is 642502130046253. The next prime is 642502130046323. The reversal of 642502130046304 is 403640031205246.

It is a super-2 number, since 2×642502130046304² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 185803782 + ... + 189230149.

It is an arithmetic number, because the mean of its divisors is an integer number (14932351036512).

Almost surely, 2^{642502130046304} is an apocalyptic number.

It is an amenable number.

642502130046304 is an abundant number, since it is smaller than the sum of its proper divisors (791003569458848).

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

642502130046304 is a wasteful number, since it uses less digits than its factorization.

642502130046304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375034140 (or 375034132 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 642502130046304 in words is "six hundred forty-two trillion, five hundred two billion, one hundred thirty million, forty-six thousand, three hundred four".