33545232140 has 24 divisors (see below), whose sum is σ = 80508557472. Its totient is φ = 11501222400.

The previous prime is 33545232139. The next prime is 33545232181. The reversal of 33545232140 is 4123254533.

It is a super-2 number, since 2×33545232140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33545232097 and 33545232106.

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, 119804261 + ... + 119804540.

It is an arithmetic number, because the mean of its divisors is an integer number (3354523228).

Almost surely, 2^33545232140 is an apocalyptic number.

It is an amenable number.

33545232140 is an abundant number, since it is smaller than the sum of its proper divisors (46963325332).

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

33545232140 is a wasteful number, since it uses less digits than its factorization.

33545232140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239608817 (or 239608815 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 33545232140 its reverse (4123254533), we get a palindrome (37668486673).

The spelling of 33545232140 in words is "thirty-three billion, five hundred forty-five million, two hundred thirty-two thousand, one hundred forty".