33543140340 has 24 divisors (see below), whose sum is σ = 93920793120. Its totient is φ = 8944837408.

The previous prime is 33543140299. The next prime is 33543140347. The reversal of 33543140340 is 4304134533.

It is a super-2 number, since 2×33543140340² (a number of 22 digits) contains 22 as substring.

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 = 33543140298 and 33543140307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33543140347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279526110 + ... + 279526229.

It is an arithmetic number, because the mean of its divisors is an integer number (3913366380).

Almost surely, 2^33543140340 is an apocalyptic number.

33543140340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33543140340 is an abundant number, since it is smaller than the sum of its proper divisors (60377652780).

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

33543140340 is a wasteful number, since it uses less digits than its factorization.

33543140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559052351 (or 559052349 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 33543140340 its reverse (4304134533), we get a palindrome (37847274873).

The spelling of 33543140340 in words is "thirty-three billion, five hundred forty-three million, one hundred forty thousand, three hundred forty".