662442004642 has 16 divisors (see below), whose sum is σ = 1085671449792. Its totient is φ = 300644601520.

The previous prime is 662442004621. The next prime is 662442004687. The reversal of 662442004642 is 246400244266.

It is a super-2 number, since 2×662442004642² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662442004595 and 662442004604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23255473 + ... + 23283940.

It is an arithmetic number, because the mean of its divisors is an integer number (67854465612).

Almost surely, 2^662442004642 is an apocalyptic number.

662442004642 is a deficient number, since it is larger than the sum of its proper divisors (423229445150).

662442004642 is a wasteful number, since it uses less digits than its factorization.

662442004642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46540073.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 662442004642 in words is "six hundred sixty-two billion, four hundred forty-two million, four thousand, six hundred forty-two".