14490493440 has 80 divisors (see below), whose sum is σ = 46324320768. Its totient is φ = 3864129536.

The previous prime is 14490493427. The next prime is 14490493487. The reversal of 14490493440 is 4439409441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 14490493392 and 14490493401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935712 + ... + 951071.

Almost surely, 2^14490493440 is an apocalyptic number.

14490493440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14490493440 is an abundant number, since it is smaller than the sum of its proper divisors (31833827328).

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

14490493440 is an equidigital number, since it uses as much as digits as its factorization.

14490493440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886809 (or 1886793 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 14490493440 in words is "fourteen billion, four hundred ninety million, four hundred ninety-three thousand, four hundred forty".