33321444016 has 40 divisors (see below), whose sum is σ = 75777347360. Its totient is φ = 13894654464.

The previous prime is 33321443993. The next prime is 33321444043. The reversal of 33321444016 is 61044412333.

It is a super-2 number, since 2×33321444016² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016301 + ... + 4024588.

It is an arithmetic number, because the mean of its divisors is an integer number (1894433684).

Almost surely, 2^33321444016 is an apocalyptic number.

It is an amenable number.

33321444016 is an abundant number, since it is smaller than the sum of its proper divisors (42455903344).

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

33321444016 is a wasteful number, since it uses less digits than its factorization.

33321444016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040941 (or 8040935 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 33321444016 its reverse (61044412333), we get a palindrome (94365856349).

The spelling of 33321444016 in words is "thirty-three billion, three hundred twenty-one million, four hundred forty-four thousand, sixteen".