33013313540 has 48 divisors (see below), whose sum is σ = 73432369584. Its totient is φ = 12424089600.

The previous prime is 33013313519. The next prime is 33013313551. The reversal of 33013313540 is 4531331033.

It can be written as a sum of positive squares in 8 ways, for example, as 87759424 + 32925554116 = 9368^2 + 181454^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024880 + ... + 1056600.

It is an arithmetic number, because the mean of its divisors is an integer number (1529841033).

Almost surely, 2^33013313540 is an apocalyptic number.

It is an amenable number.

33013313540 is an abundant number, since it is smaller than the sum of its proper divisors (40419056044).

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

33013313540 is a wasteful number, since it uses less digits than its factorization.

33013313540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34808 (or 34806 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 33013313540 its reverse (4531331033), we get a palindrome (37544644573).

The spelling of 33013313540 in words is "thirty-three billion, thirteen million, three hundred thirteen thousand, five hundred forty".