33898082400 has 1296 divisors, whose sum is σ = 158031291600. Its totient is φ = 6758277120.

The previous prime is 33898082369. The next prime is 33898082401. The reversal of 33898082400 is 428089833.

It is a super-2 number, since 2×33898082400² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33898082401) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 87141406 + ... + 87141794.

It is an arithmetic number, because the mean of its divisors is an integer number (121937725).

Almost surely, 2^33898082400 is an apocalyptic number.

33898082400 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 33898082400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79015645800).

33898082400 is an abundant number, since it is smaller than the sum of its proper divisors (124133209200).

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

33898082400 is a wasteful number, since it uses less digits than its factorization.

33898082400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 33898082400 in words is "thirty-three billion, eight hundred ninety-eight million, eighty-two thousand, four hundred".