14855597363640 has 256 divisors, whose sum is σ = 49566845445120. Its totient is φ = 3531181322240.

The previous prime is 14855597363623. The next prime is 14855597363669. The reversal of 14855597363640 is 4636379555841.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112359652 + ... + 112491788.

It is an arithmetic number, because the mean of its divisors is an integer number (193620490020).

Almost surely, 2^{14855597363640} is an apocalyptic number.

14855597363640 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 14855597363640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24783422722560).

14855597363640 is an abundant number, since it is smaller than the sum of its proper divisors (34711248081480).

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

14855597363640 is a wasteful number, since it uses less digits than its factorization.

14855597363640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133822 (or 133818 counting only the distinct ones).

The product of its (nonzero) digits is 326592000, while the sum is 66.

The spelling of 14855597363640 in words is "fourteen trillion, eight hundred fifty-five billion, five hundred ninety-seven million, three hundred sixty-three thousand, six hundred forty".