33025280000 has 120 divisors (see below), whose sum is σ = 82519827390. Its totient is φ = 13209600000.

The previous prime is 33025279999. The next prime is 33025280017. The reversal of 33025280000 is 8252033.

It can be written as a sum of positive squares in 5 ways, for example, as 463799296 + 32561480704 = 21536^2 + 180448^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1267100 + ... + 1292900.

Almost surely, 2^33025280000 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 33025280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41259913695).

33025280000 is an abundant number, since it is smaller than the sum of its proper divisors (49494547390).

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

33025280000 is an frugal number, since it uses more digits than its factorization.

33025280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25843 (or 25808 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 33025280000 in words is "thirty-three billion, twenty-five million, two hundred eighty thousand".