10644020430 has 32 divisors (see below), whose sum is σ = 25853433984. Its totient is φ = 2804207136.

The previous prime is 10644020417. The next prime is 10644020449. The reversal of 10644020430 is 3402044601.

It is a super-2 number, since 2×10644020430² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10644020430.

It is a congruent number.

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, 2134864 + ... + 2139843.

It is an arithmetic number, because the mean of its divisors is an integer number (807919812).

Almost surely, 2^10644020430 is an apocalyptic number.

10644020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10644020430 is an abundant number, since it is smaller than the sum of its proper divisors (15209413554).

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

10644020430 is a wasteful number, since it uses less digits than its factorization.

10644020430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274800.

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 10644020430 in words is "ten billion, six hundred forty-four million, twenty thousand, four hundred thirty".