33531346340 has 12 divisors (see below), whose sum is σ = 70415827356. Its totient is φ = 13412538528.

The previous prime is 33531346339. The next prime is 33531346349. The reversal of 33531346340 is 4364313533.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19637537956 + 13893808384 = 140134^2 + 117872^2 .

It is a super-2 number, since 2×33531346340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33531346340.

It is not an unprimeable number, because it can be changed into a prime (33531346349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838283639 + ... + 838283678.

It is an arithmetic number, because the mean of its divisors is an integer number (5867985613).

Almost surely, 2^33531346340 is an apocalyptic number.

It is an amenable number.

33531346340 is an abundant number, since it is smaller than the sum of its proper divisors (36884481016).

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

33531346340 is a wasteful number, since it uses less digits than its factorization.

33531346340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676567326 (or 1676567324 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 33531346340 its reverse (4364313533), we get a palindrome (37895659873).

The spelling of 33531346340 in words is "thirty-three billion, five hundred thirty-one million, three hundred forty-six thousand, three hundred forty".