14090781002478 has 32 divisors (see below), whose sum is σ = 31409790474240. Its totient is φ = 4187972062080.

The previous prime is 14090781002477. The next prime is 14090781002483. The reversal of 14090781002478 is 87420018709041.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 14090781002478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14090781002477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635390478 + ... + 3635394353.

It is an arithmetic number, because the mean of its divisors is an integer number (981555952320).

Almost surely, 2^{14090781002478} is an apocalyptic number.

14090781002478 is an abundant number, since it is smaller than the sum of its proper divisors (17319009471762).

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

14090781002478 is a wasteful number, since it uses less digits than its factorization.

14090781002478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270784872.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 14090781002478 in words is "fourteen trillion, ninety billion, seven hundred eighty-one million, two thousand, four hundred seventy-eight".