14464880478 has 64 divisors (see below), whose sum is σ = 33352488000. Its totient is φ = 4641380352.

The previous prime is 14464880477. The next prime is 14464880489. The reversal of 14464880478 is 87408846441.

14464880478 is a `hidden beast` number, since 14 + 46 + 48 + 80 + 478 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14464880471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514038 + ... + 541446.

It is an arithmetic number, because the mean of its divisors is an integer number (521132625).

Almost surely, 2^14464880478 is an apocalyptic number.

14464880478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14464880478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16676244000).

14464880478 is an abundant number, since it is smaller than the sum of its proper divisors (18887607522).

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

14464880478 is a wasteful number, since it uses less digits than its factorization.

14464880478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27786 (or 27780 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 54.

The spelling of 14464880478 in words is "fourteen billion, four hundred sixty-four million, eight hundred eighty thousand, four hundred seventy-eight".