4453663544 has 16 divisors (see below), whose sum is σ = 9109766520. Its totient is φ = 2024392480.

The previous prime is 4453663537. The next prime is 4453663547.

4453663544 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4453663495 and 4453663504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4453663547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25304819 + ... + 25304994.

Almost surely, 2^4453663544 is an apocalyptic number.

4453663544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4453663544 is an abundant number, since it is smaller than the sum of its proper divisors (4656102976).

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

4453663544 is a wasteful number, since it uses less digits than its factorization.

4453663544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50609830 (or 50609826 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

The square root of 4453663544 is about 66735.7740945589. The cubic root of 4453663544 is about 1645.2774104942.

The spelling of 4453663544 in words is "four billion, four hundred fifty-three million, six hundred sixty-three thousand, five hundred forty-four".