33445233040 has 40 divisors (see below), whose sum is σ = 77778200448. Its totient is φ = 13374990720.

The previous prime is 33445233023. The next prime is 33445233047. The reversal of 33445233040 is 4033254433.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33445233040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33445232993 and 33445233011.

It is not an unprimeable number, because it can be changed into a prime (33445233047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315625 + ... + 408055.

Almost surely, 2^33445233040 is an apocalyptic number.

It is an amenable number.

33445233040 is an abundant number, since it is smaller than the sum of its proper divisors (44332967408).

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

33445233040 is a wasteful number, since it uses less digits than its factorization.

33445233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96967 (or 96961 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 33445233040 its reverse (4033254433), we get a palindrome (37478487473).

The spelling of 33445233040 in words is "thirty-three billion, four hundred forty-five million, two hundred thirty-three thousand, forty".