14640549773990 has 32 divisors (see below), whose sum is σ = 30118075948800. Its totient is φ = 5019554805984.

The previous prime is 14640549773989. The next prime is 14640549774013. The reversal of 14640549773990 is 9937794504641.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 14640549773990.

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, 4575509 + ... + 7086351.

It is an arithmetic number, because the mean of its divisors is an integer number (941189873400).

Almost surely, 2^{14640549773990} is an apocalyptic number.

14640549773990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14640549773990 is an abundant number, since it is smaller than the sum of its proper divisors (15477526174810).

14640549773990 is a wasteful number, since it uses less digits than its factorization.

14640549773990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594156.

The product of its (nonzero) digits is 205752960, while the sum is 68.

The spelling of 14640549773990 in words is "fourteen trillion, six hundred forty billion, five hundred forty-nine million, seven hundred seventy-three thousand, nine hundred ninety".