642064000604 has 48 divisors (see below), whose sum is σ = 1223090577408. Its totient is φ = 293155547328.

The previous prime is 642064000583. The next prime is 642064000631. The reversal of 642064000604 is 406000460246.

It is a super-2 number, since 2×642064000604² (a number of 24 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, 2151497 + ... + 2431679.

It is an arithmetic number, because the mean of its divisors is an integer number (25481053696).

Almost surely, 2^642064000604 is an apocalyptic number.

It is an amenable number.

642064000604 is a deficient number, since it is larger than the sum of its proper divisors (581026576804).

642064000604 is a wasteful number, since it uses less digits than its factorization.

642064000604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280674 (or 280672 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 642064000604 in words is "six hundred forty-two billion, sixty-four million, six hundred four", and thus it is an aban number.