33233220040 has 16 divisors (see below), whose sum is σ = 74774745180. Its totient is φ = 13293288000.

The previous prime is 33233220037. The next prime is 33233220091. The reversal of 33233220040 is 4002233233.

It can be written as a sum of positive squares in 2 ways, for example, as 31450184964 + 1783035076 = 177342^2 + 42226^2 .

It is a super-2 number, since 2×33233220040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33233219993 and 33233220020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415415211 + ... + 415415290.

Almost surely, 2^33233220040 is an apocalyptic number.

It is an amenable number.

33233220040 is an abundant number, since it is smaller than the sum of its proper divisors (41541525140).

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

33233220040 is a wasteful number, since it uses less digits than its factorization.

33233220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830830512 (or 830830508 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 33233220040 its reverse (4002233233), we get a palindrome (37235453273).

The spelling of 33233220040 in words is "thirty-three billion, two hundred thirty-three million, two hundred twenty thousand, forty".