33880780800 has 468 divisors, whose sum is σ = 122928234520. Its totient is φ = 8918138880.

The previous prime is 33880780793. The next prime is 33880780837. The reversal of 33880780800 is 808708833.

It is a super-2 number, since 2×33880780800² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89395011 + ... + 89395389.

Almost surely, 2^33880780800 is an apocalyptic number.

33880780800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33880780800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61464117260).

33880780800 is an abundant number, since it is smaller than the sum of its proper divisors (89047453720).

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

33880780800 is a wasteful number, since it uses less digits than its factorization.

33880780800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 33880780800 in words is "thirty-three billion, eight hundred eighty million, seven hundred eighty thousand, eight hundred".