33313025140 has 12 divisors (see below), whose sum is σ = 69957352836. Its totient is φ = 13325210048.

The previous prime is 33313025113. The next prime is 33313025159. The reversal of 33313025140 is 4152031333.

It can be written as a sum of positive squares in 2 ways, for example, as 9728665956 + 23584359184 = 98634^2 + 153572^2 .

It is a super-2 number, since 2×33313025140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832825609 + ... + 832825648.

It is an arithmetic number, because the mean of its divisors is an integer number (5829779403).

Almost surely, 2^33313025140 is an apocalyptic number.

It is an amenable number.

33313025140 is an abundant number, since it is smaller than the sum of its proper divisors (36644327696).

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

33313025140 is a wasteful number, since it uses less digits than its factorization.

33313025140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665651266 (or 1665651264 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 33313025140 its reverse (4152031333), we get a palindrome (37465056473).

The spelling of 33313025140 in words is "thirty-three billion, three hundred thirteen million, twenty-five thousand, one hundred forty".