14446562440 has 16 divisors (see below), whose sum is σ = 32504765580. Its totient is φ = 5778624960.

The previous prime is 14446562437. The next prime is 14446562477. The reversal of 14446562440 is 4426564441.

It can be written as a sum of positive squares in 2 ways, for example, as 14389921764 + 56640676 = 119958^2 + 7526^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 361164061 = 14446562440 / (1 + 4 + 4 + 4 + 6 + 5 + 6 + 2 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 14446562393 and 14446562402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180581991 + ... + 180582070.

Almost surely, 2^14446562440 is an apocalyptic number.

14446562440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14446562440 is an abundant number, since it is smaller than the sum of its proper divisors (18058203140).

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

14446562440 is a wasteful number, since it uses less digits than its factorization.

14446562440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361164072 (or 361164068 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 14446562440 in words is "fourteen billion, four hundred forty-six million, five hundred sixty-two thousand, four hundred forty".