33256551387040 has 96 divisors (see below), whose sum is σ = 79359817170816. Its totient is φ = 13168750832640.

The previous prime is 33256551387029. The next prime is 33256551387077. The reversal of 33256551387040 is 4078315565233.

It is a super-2 number, since 2×33256551387040² (a number of 28 digits) contains 22 as substring.

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, 45833470 + ... + 46553410.

It is an arithmetic number, because the mean of its divisors is an integer number (826664762196).

Almost surely, 2^{33256551387040} 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 33256551387040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39679908585408).

33256551387040 is an abundant number, since it is smaller than the sum of its proper divisors (46103265783776).

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

33256551387040 is a wasteful number, since it uses less digits than its factorization.

33256551387040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722862 (or 722854 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 33256551387040 in words is "thirty-three trillion, two hundred fifty-six billion, five hundred fifty-one million, three hundred eighty-seven thousand, forty".