33125525240 has 64 divisors (see below), whose sum is σ = 76489479360. Its totient is φ = 12903470080.

The previous prime is 33125525231. The next prime is 33125525263. The reversal of 33125525240 is 4252552133.

It is a junction number, because it is equal to n+sod(n) for n = 33125525197 and 33125525206.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 895349 + ... + 931611.

It is an arithmetic number, because the mean of its divisors is an integer number (1195148115).

Almost surely, 2^33125525240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33125525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38244739680).

33125525240 is an abundant number, since it is smaller than the sum of its proper divisors (43363954120).

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

33125525240 is a wasteful number, since it uses less digits than its factorization.

33125525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36872 (or 36868 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 33125525240 in words is "thirty-three billion, one hundred twenty-five million, five hundred twenty-five thousand, two hundred forty".