4549536483840 has 480 divisors, whose sum is σ = 16571086811136. Its totient is φ = 1151306956800.

The previous prime is 4549536483829. The next prime is 4549536483847. The reversal of 4549536483840 is 483846359454.

4549536483840 is a `hidden beast` number, since 4 + 5 + 49 + 5 + 36 + 483 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×4549536483840² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4549536483847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67266040 + ... + 67333640.

Almost surely, 2^{4549536483840} is an apocalyptic number.

4549536483840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4549536483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8285543405568).

4549536483840 is an abundant number, since it is smaller than the sum of its proper divisors (12021550327296).

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

4549536483840 is a wasteful number, since it uses less digits than its factorization.

4549536483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67780 (or 67761 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 63.

The spelling of 4549536483840 in words is "four trillion, five hundred forty-nine billion, five hundred thirty-six million, four hundred eighty-three thousand, eight hundred forty".