33156052140 has 96 divisors (see below), whose sum is σ = 95158457856. Its totient is φ = 8621222400.

The previous prime is 33156052133. The next prime is 33156052141. The reversal of 33156052140 is 4125065133.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33156052098 and 33156052107.

It is not an unprimeable number, because it can be changed into a prime (33156052141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1539889 + ... + 1561271.

It is an arithmetic number, because the mean of its divisors is an integer number (991233936).

Almost surely, 2^33156052140 is an apocalyptic number.

33156052140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33156052140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47579228928).

33156052140 is an abundant number, since it is smaller than the sum of its proper divisors (62002405716).

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

33156052140 is a wasteful number, since it uses less digits than its factorization.

33156052140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22039 (or 22037 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 33156052140 in words is "thirty-three billion, one hundred fifty-six million, fifty-two thousand, one hundred forty".