33323140040 has 32 divisors (see below), whose sum is σ = 74993706360. Its totient is φ = 13326297600.

The previous prime is 33323140027. The next prime is 33323140057. The reversal of 33323140040 is 4004132333.

It can be written as a sum of positive squares in 4 ways, for example, as 29682465796 + 3640674244 = 172286^2 + 60338^2 .

It is a super-2 number, since 2×33323140040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33323139988 and 33323140015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94700 + ... + 274980.

Almost surely, 2^33323140040 is an apocalyptic number.

It is an amenable number.

33323140040 is an abundant number, since it is smaller than the sum of its proper divisors (41670566320).

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

33323140040 is a wasteful number, since it uses less digits than its factorization.

33323140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184913 (or 184909 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33323140040 its reverse (4004132333), we get a palindrome (37327272373).

The spelling of 33323140040 in words is "thirty-three billion, three hundred twenty-three million, one hundred forty thousand, forty".