14255446640 has 20 divisors (see below), whose sum is σ = 33143913624. Its totient is φ = 5702178624.

The previous prime is 14255446633. The next prime is 14255446651. The reversal of 14255446640 is 4664455241.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 89096462 + ... + 89096621.

Almost surely, 2^14255446640 is an apocalyptic number.

14255446640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14255446640 is an abundant number, since it is smaller than the sum of its proper divisors (18888466984).

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

14255446640 is a wasteful number, since it uses less digits than its factorization.

14255446640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178193096 (or 178193090 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 14255446640 in words is "fourteen billion, two hundred fifty-five million, four hundred forty-six thousand, six hundred forty".