14551380640 has 48 divisors (see below), whose sum is σ = 34681906728. Its totient is φ = 5769035776.

The previous prime is 14551380631. The next prime is 14551380647. The reversal of 14551380640 is 4608315541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5178817296 + 9372563344 = 71964^2 + 96812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14551380640.

It is not an unprimeable number, because it can be changed into a prime (14551380647) 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, 384337 + ... + 420496.

Almost surely, 2^14551380640 is an apocalyptic number.

14551380640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14551380640 is an abundant number, since it is smaller than the sum of its proper divisors (20130526088).

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

14551380640 is a wasteful number, since it uses less digits than its factorization.

14551380640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804961 (or 804953 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 14551380640 in words is "fourteen billion, five hundred fifty-one million, three hundred eighty thousand, six hundred forty".