10040434451 has 4 divisors (see below), whose sum is σ = 10041026232. Its totient is φ = 10039842672.

The previous prime is 10040434403. The next prime is 10040434463. The reversal of 10040434451 is 15443404001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10040434451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10040434451.

It is not an unprimeable number, because it can be changed into a prime (10040434471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269666 + ... + 304631.

It is an arithmetic number, because the mean of its divisors is an integer number (2510256558).

Almost surely, 2^10040434451 is an apocalyptic number.

10040434451 is a deficient number, since it is larger than the sum of its proper divisors (591781).

10040434451 is an equidigital number, since it uses as much as digits as its factorization.

10040434451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591780.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 10040434451 its reverse (15443404001), we get a palindrome (25483838452).

The spelling of 10040434451 in words is "ten billion, forty million, four hundred thirty-four thousand, four hundred fifty-one".