5487347773440 has 1248 divisors, whose sum is σ = 21503466653760. Its totient is φ = 1334153576448.

The previous prime is 5487347773381. The next prime is 5487347773451. The reversal of 5487347773440 is 443777437845.

It is a happy number.

5487347773440 is a `hidden beast` number, since 5 + 4 + 87 + 3 + 47 + 7 + 73 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (1248).

It is a super-2 number, since 2×5487347773440² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5757972004 + ... + 5757972956.

It is an arithmetic number, because the mean of its divisors is an integer number (17230341870).

Almost surely, 2^{5487347773440} 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 5487347773440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10751733326880).

5487347773440 is an abundant number, since it is smaller than the sum of its proper divisors (16016118880320).

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

5487347773440 is an equidigital number, since it uses as much as digits as its factorization.

5487347773440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 221276160, while the sum is 63.

The spelling of 5487347773440 in words is "five trillion, four hundred eighty-seven billion, three hundred forty-seven million, seven hundred seventy-three thousand, four hundred forty".