33250400 has 72 divisors (see below), whose sum is σ = 82260360. Its totient is φ = 13122560.

The previous prime is 33250379. The next prime is 33250417. The reversal of 33250400 is 405233.

It is a super-2 number, since 2×33250400² = 2211178200320000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70967 + ... + 71433.

It is an arithmetic number, because the mean of its divisors is an integer number (1142505).

Almost surely, 2^33250400 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 33250400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41130180).

33250400 is an abundant number, since it is smaller than the sum of its proper divisors (49009960).

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

33250400 is a wasteful number, since it uses less digits than its factorization.

33250400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 33250400 is about 5766.3159816299. The cubic root of 33250400 is about 321.5626690330.

Adding to 33250400 its reverse (405233), we get a palindrome (33655633).

The spelling of 33250400 in words is "thirty-three million, two hundred fifty thousand, four hundred".