33040144434 has 32 divisors (see below), whose sum is σ = 72130411584. Its totient is φ = 10006217280.

The previous prime is 33040144429. The next prime is 33040144469. The reversal of 33040144434 is 43444104033.

It is a super-2 number, since 2×33040144434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36109 + ... + 259584.

It is an arithmetic number, because the mean of its divisors is an integer number (2254075362).

Almost surely, 2^33040144434 is an apocalyptic number.

33040144434 is an abundant number, since it is smaller than the sum of its proper divisors (39090267150).

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

33040144434 is a wasteful number, since it uses less digits than its factorization.

33040144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297402.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 33040144434 its reverse (43444104033), we get a palindrome (76484248467).

The spelling of 33040144434 in words is "thirty-three billion, forty million, one hundred forty-four thousand, four hundred thirty-four".