33442287616 has 26 divisors (see below), whose sum is σ = 66876418802. Its totient is φ = 16721141760.

The previous prime is 33442287589. The next prime is 33442287623. The reversal of 33442287616 is 61678224433.

It can be written as a sum of positive squares in only one way, i.e., 20023382016 + 13418905600 = 141504^2 + 115840^2 .

It is a super-2 number, since 2×33442287616² (a number of 22 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 as a sum of consecutive naturals, namely, 4078215 + ... + 4086406.

Almost surely, 2^33442287616 is an apocalyptic number.

It is an amenable number.

33442287616 is a deficient number, since it is larger than the sum of its proper divisors (33434131186).

33442287616 is an frugal number, since it uses more digits than its factorization.

33442287616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164645 (or 8164623 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The spelling of 33442287616 in words is "thirty-three billion, four hundred forty-two million, two hundred eighty-seven thousand, six hundred sixteen".