33430140344 has 32 divisors (see below), whose sum is σ = 65589882240. Its totient is φ = 15954278400.

The previous prime is 33430140343. The next prime is 33430140377. The reversal of 33430140344 is 44304103433.

It is a super-2 number, since 2×33430140344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33430140343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905177 + ... + 941384.

It is an arithmetic number, because the mean of its divisors is an integer number (2049683820).

Almost surely, 2^33430140344 is an apocalyptic number.

It is an amenable number.

33430140344 is a deficient number, since it is larger than the sum of its proper divisors (32159741896).

33430140344 is a wasteful number, since it uses less digits than its factorization.

33430140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846671 (or 1846667 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33430140344 its reverse (44304103433), we get a palindrome (77734243777).

The spelling of 33430140344 in words is "thirty-three billion, four hundred thirty million, one hundred forty thousand, three hundred forty-four".