4544487774540 has 1008 divisors, whose sum is σ = 17470544107968. Its totient is φ = 987739619328.

The previous prime is 4544487774529. The next prime is 4544487774599. The reversal of 4544487774540 is 454777844454.

4544487774540 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 4 + 87 + 7 + 7 + 4 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 3171309664 + ... + 3171311096.

It is an arithmetic number, because the mean of its divisors is an integer number (17331888996).

Almost surely, 2^{4544487774540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4544487774540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8735272053984).

4544487774540 is an abundant number, since it is smaller than the sum of its proper divisors (12926056333428).

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

4544487774540 is a wasteful number, since it uses less digits than its factorization.

4544487774540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 280985600, while the sum is 63.

The spelling of 4544487774540 in words is "four trillion, five hundred forty-four billion, four hundred eighty-seven million, seven hundred seventy-four thousand, five hundred forty".