33333333340 has 12 divisors (see below), whose sum is σ = 70000000056. Its totient is φ = 13333333328.

The previous prime is 33333333329. The next prime is 33333333343. The reversal of 33333333340 is 4333333333.

It is a happy number.

It is a super-2 number, since 2×33333333340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33333333343) 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, 833333314 + ... + 833333353.

It is an arithmetic number, because the mean of its divisors is an integer number (5833333338).

Almost surely, 2^33333333340 is an apocalyptic number.

It is an amenable number.

33333333340 is an abundant number, since it is smaller than the sum of its proper divisors (36666666716).

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

33333333340 is a wasteful number, since it uses less digits than its factorization.

33333333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666666676 (or 1666666674 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 31.

Adding to 33333333340 its reverse (4333333333), we get a palindrome (37666666673).

The spelling of 33333333340 in words is "thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred forty".