33043145340 has 24 divisors (see below), whose sum is σ = 92520807120. Its totient is φ = 8811505408.

The previous prime is 33043145321. The next prime is 33043145357. The reversal of 33043145340 is 4354134033.

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 = 33043145298 and 33043145307.

It is a congruent number.

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, 275359485 + ... + 275359604.

It is an arithmetic number, because the mean of its divisors is an integer number (3855033630).

Almost surely, 2^33043145340 is an apocalyptic number.

33043145340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33043145340 is an abundant number, since it is smaller than the sum of its proper divisors (59477661780).

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

33043145340 is a wasteful number, since it uses less digits than its factorization.

33043145340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550719101 (or 550719099 counting only the distinct ones).

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

Adding to 33043145340 its reverse (4354134033), we get a palindrome (37397279373).

The spelling of 33043145340 in words is "thirty-three billion, forty-three million, one hundred forty-five thousand, three hundred forty".