33241220400 has 60 divisors (see below), whose sum is σ = 106482713192. Its totient is φ = 8864325120.

The previous prime is 33241220381. The next prime is 33241220401. The reversal of 33241220400 is 402214233.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×33241220400² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33241220401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13849309 + ... + 13851708.

Almost surely, 2^33241220400 is an apocalyptic number.

33241220400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33241220400 is an abundant number, since it is smaller than the sum of its proper divisors (73241492792).

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

33241220400 is a wasteful number, since it uses less digits than its factorization.

33241220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27701038 (or 27701027 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 33241220400 its reverse (402214233), we get a palindrome (33643434633).

The spelling of 33241220400 in words is "thirty-three billion, two hundred forty-one million, two hundred twenty thousand, four hundred".