33312004340 has 12 divisors (see below), whose sum is σ = 69955209156. Its totient is φ = 13324801728.

The previous prime is 33312004333. The next prime is 33312004343. The reversal of 33312004340 is 4340021333.

It can be written as a sum of positive squares in 2 ways, for example, as 24990551056 + 8321453284 = 158084^2 + 91222^2 .

It is a super-2 number, since 2×33312004340² (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 (33312004343) 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, 832800089 + ... + 832800128.

It is an arithmetic number, because the mean of its divisors is an integer number (5829600763).

Almost surely, 2^33312004340 is an apocalyptic number.

It is an amenable number.

33312004340 is an abundant number, since it is smaller than the sum of its proper divisors (36643204816).

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

33312004340 is a wasteful number, since it uses less digits than its factorization.

33312004340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665600226 (or 1665600224 counting only the distinct ones).

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

Adding to 33312004340 its reverse (4340021333), we get a palindrome (37652025673).

The spelling of 33312004340 in words is "thirty-three billion, three hundred twelve million, four thousand, three hundred forty".