14015428636 has 24 divisors (see below), whose sum is σ = 26906221440. Its totient is φ = 6335055600.

The previous prime is 14015428619. The next prime is 14015428639. The reversal of 14015428636 is 63682451041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14015428639) 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, 881880 + ... + 897631.

It is an arithmetic number, because the mean of its divisors is an integer number (1121092560).

Almost surely, 2^14015428636 is an apocalyptic number.

It is an amenable number.

14015428636 is a deficient number, since it is larger than the sum of its proper divisors (12890792804).

14015428636 is a wasteful number, since it uses less digits than its factorization.

14015428636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779705 (or 1779703 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 14015428636 its reverse (63682451041), we get a palindrome (77697879677).

The spelling of 14015428636 in words is "fourteen billion, fifteen million, four hundred twenty-eight thousand, six hundred thirty-six".