4344440454540 has 144 divisors (see below), whose sum is σ = 13667131933728. Its totient is φ = 1158439739904.

The previous prime is 4344440454527. The next prime is 4344440454577. The reversal of 4344440454540 is 454540444434.

It is a super-2 number, since 2×4344440454540² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134766264 + ... + 134798496.

Almost surely, 2^{4344440454540} is an apocalyptic number.

It is an amenable number.

4344440454540 is an abundant number, since it is smaller than the sum of its proper divisors (9322691479188).

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

4344440454540 is a wasteful number, since it uses less digits than its factorization.

4344440454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59990 (or 59976 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 45.

Adding to 4344440454540 its reverse (454540444434), we get a palindrome (4798980898974).

The spelling of 4344440454540 in words is "four trillion, three hundred forty-four billion, four hundred forty million, four hundred fifty-four thousand, five hundred forty".