33500134320 has 40 divisors (see below), whose sum is σ = 103850417136. Its totient is φ = 8933369088.

The previous prime is 33500134319. The next prime is 33500134331. The reversal of 33500134320 is 2343100533.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33500134320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69791707 + ... + 69792186.

Almost surely, 2^33500134320 is an apocalyptic number.

33500134320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33500134320 is an abundant number, since it is smaller than the sum of its proper divisors (70350282816).

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

33500134320 is a wasteful number, since it uses less digits than its factorization.

33500134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139583909 (or 139583903 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 33500134320 its reverse (2343100533), we get a palindrome (35843234853).

The spelling of 33500134320 in words is "thirty-three billion, five hundred million, one hundred thirty-four thousand, three hundred twenty".