34040143632 has 80 divisors (see below), whose sum is σ = 96361832448. Its totient is φ = 10268903040.

The previous prime is 34040143609. The next prime is 34040143639. The reversal of 34040143632 is 23634104043.

It is a self number, because there is not a number n which added to its sum of digits gives 34040143632.

It is not an unprimeable number, because it can be changed into a prime (34040143639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26808 + ... + 262295.

Almost surely, 2^34040143632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34040143632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48180916224).

34040143632 is an abundant number, since it is smaller than the sum of its proper divisors (62321688816).

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

34040143632 is a wasteful number, since it uses less digits than its factorization.

34040143632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289348 (or 289342 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 34040143632 its reverse (23634104043), we get a palindrome (57674247675).

The spelling of 34040143632 in words is "thirty-four billion, forty million, one hundred forty-three thousand, six hundred thirty-two".