33125064740 has 96 divisors (see below), whose sum is σ = 79627121280. Its totient is φ = 11494877184.

The previous prime is 33125064733. The next prime is 33125064821. The reversal of 33125064740 is 4746052133.

It is a self number, because there is not a number n which added to its sum of digits gives 33125064740.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169727 + ... + 308313.

It is an arithmetic number, because the mean of its divisors is an integer number (829449180).

Almost surely, 2^33125064740 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 33125064740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39813560640).

33125064740 is an abundant number, since it is smaller than the sum of its proper divisors (46502056540).

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

33125064740 is a wasteful number, since it uses less digits than its factorization.

33125064740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138669 (or 138667 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 33125064740 in words is "thirty-three billion, one hundred twenty-five million, sixty-four thousand, seven hundred forty".