33333400340 has 24 divisors (see below), whose sum is σ = 70033078752. Its totient is φ = 13327086240.

The previous prime is 33333400327. The next prime is 33333400427. The reversal of 33333400340 is 4300433333.

It is a happy number.

It is a super-2 number, since 2×33333400340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 348434 + ... + 433673.

It is an arithmetic number, because the mean of its divisors is an integer number (2918044948).

Almost surely, 2^33333400340 is an apocalyptic number.

It is an amenable number.

33333400340 is an abundant number, since it is smaller than the sum of its proper divisors (36699678412).

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

33333400340 is a wasteful number, since it uses less digits than its factorization.

33333400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784247 (or 784245 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 26.

Adding to 33333400340 its reverse (4300433333), we get a palindrome (37633833673).

The spelling of 33333400340 in words is "thirty-three billion, three hundred thirty-three million, four hundred thousand, three hundred forty".