4459945455 has 84 divisors (see below), whose sum is σ = 9334683432. Its totient is φ = 2038750560.

The previous prime is 4459945453. The next prime is 4459945459. The reversal of 4459945455 is 5545499544.

It is a happy number.

4459945455 is a `hidden beast` number, since 4 + 4 + 5 + 9 + 94 + 545 + 5 = 666.

It is not a de Polignac number, because 4459945455 - 2¹ = 4459945453 is a prime.

It is a super-2 number, since 2×4459945455² = 39782226923150314050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4459945453) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 166120 + ... + 191090.

Almost surely, 2^4459945455 is an apocalyptic number.

4459945455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4459945455 is an abundant number, since it is smaller than the sum of its proper divisors (4874737977).

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

4459945455 is an equidigital number, since it uses as much as digits as its factorization.

4459945455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008 (or 24986 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 54.

The square root of 4459945455 is about 66782.8230535368. The cubic root of 4459945455 is about 1646.0506039599.

The spelling of 4459945455 in words is "four billion, four hundred fifty-nine million, nine hundred forty-five thousand, four hundred fifty-five".