14977168492440 has 1024 divisors, whose sum is σ = 60009320448000. Its totient is φ = 2894931394560.

The previous prime is 14977168492399. The next prime is 14977168492441. The reversal of 14977168492440 is 4429486177941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14977168492441) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4864294821 + ... + 4864297899.

It is an arithmetic number, because the mean of its divisors is an integer number (58602852000).

Almost surely, 2^{14977168492440} is an apocalyptic number.

14977168492440 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 14977168492440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30004660224000).

14977168492440 is an abundant number, since it is smaller than the sum of its proper divisors (45032151955560).

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

14977168492440 is a wasteful number, since it uses less digits than its factorization.

14977168492440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 14977168492440 in words is "fourteen trillion, nine hundred seventy-seven billion, one hundred sixty-eight million, four hundred ninety-two thousand, four hundred forty".