33140725944 has 64 divisors (see below), whose sum is σ = 86660029440. Its totient is φ = 10541435520.

The previous prime is 33140725853. The next prime is 33140725957. The reversal of 33140725944 is 44952704133.

It is a happy number.

It is a super-2 number, since 2×33140725944² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33140725896 and 33140725905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161089 + ... + 303695.

It is an arithmetic number, because the mean of its divisors is an integer number (1354062960).

Almost surely, 2^33140725944 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 33140725944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43330014720).

33140725944 is an abundant number, since it is smaller than the sum of its proper divisors (53519303496).

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

33140725944 is a wasteful number, since it uses less digits than its factorization.

33140725944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143060 (or 143056 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 33140725944 in words is "thirty-three billion, one hundred forty million, seven hundred twenty-five thousand, nine hundred forty-four".