33014937640 has 16 divisors (see below), whose sum is σ = 74283609780. Its totient is φ = 13205975040.

The previous prime is 33014937623. The next prime is 33014937649. The reversal of 33014937640 is 4673941033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31731721956 + 1283215684 = 178134^2 + 35822^2 .

It is a super-2 number, since 2×33014937640² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 825373441 = 33014937640 / (3 + 3 + 0 + 1 + 4 + 9 + 3 + 7 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 33014937593 and 33014937602.

It is not an unprimeable number, because it can be changed into a prime (33014937649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412686681 + ... + 412686760.

Almost surely, 2^33014937640 is an apocalyptic number.

It is an amenable number.

33014937640 is an abundant number, since it is smaller than the sum of its proper divisors (41268672140).

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

33014937640 is a wasteful number, since it uses less digits than its factorization.

33014937640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825373452 (or 825373448 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 33014937640 in words is "thirty-three billion, fourteen million, nine hundred thirty-seven thousand, six hundred forty".