14640433556 has 12 divisors (see below), whose sum is σ = 29280867168. Its totient is φ = 6274471512.

The previous prime is 14640433553. The next prime is 14640433559. The reversal of 14640433556 is 65533404641.

It is an interprime number because it is at equal distance from previous prime (14640433553) and next prime (14640433559).

14640433556 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640433553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261436286 + ... + 261436341.

It is an arithmetic number, because the mean of its divisors is an integer number (2440072264).

Almost surely, 2^14640433556 is an apocalyptic number.

It is an amenable number.

14640433556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14640433556 is a wasteful number, since it uses less digits than its factorization.

14640433556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522872638 (or 522872636 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 14640433556 in words is "fourteen billion, six hundred forty million, four hundred thirty-three thousand, five hundred fifty-six".