14640549773940 has 1152 divisors, whose sum is σ = 50436255744000. Its totient is φ = 3522727563264.

The previous prime is 14640549773909. The next prime is 14640549773989. The reversal of 14640549773940 is 4937794504641.

14640549773940 is a `hidden beast` number, since 1 + 4 + 6 + 40 + 549 + 7 + 7 + 3 + 9 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 81790780771 + ... + 81790780949.

It is an arithmetic number, because the mean of its divisors is an integer number (43781472000).

Almost surely, 2^{14640549773940} is an apocalyptic number.

14640549773940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14640549773940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25218127872000).

14640549773940 is an abundant number, since it is smaller than the sum of its proper divisors (35795705970060).

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

14640549773940 is a wasteful number, since it uses less digits than its factorization.

14640549773940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 14640549773940 in words is "fourteen trillion, six hundred forty billion, five hundred forty-nine million, seven hundred seventy-three thousand, nine hundred forty".