33124235140 has 48 divisors (see below), whose sum is σ = 73672209072. Its totient is φ = 12466999296.

The previous prime is 33124235117. The next prime is 33124235149. The reversal of 33124235140 is 4153242133.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7069110084 + 26055125056 = 84078^2 + 161416^2 .

It is a super-2 number, since 2×33124235140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33124235099 and 33124235108.

It is not an unprimeable number, because it can be changed into a prime (33124235149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552384 + ... + 1573576.

It is an arithmetic number, because the mean of its divisors is an integer number (1534837689).

Almost surely, 2^33124235140 is an apocalyptic number.

It is an amenable number.

33124235140 is an abundant number, since it is smaller than the sum of its proper divisors (40547973932).

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

33124235140 is a wasteful number, since it uses less digits than its factorization.

33124235140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25816 (or 25814 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 33124235140 its reverse (4153242133), we get a palindrome (37277477273).

The spelling of 33124235140 in words is "thirty-three billion, one hundred twenty-four million, two hundred thirty-five thousand, one hundred forty".