5420449693728 has 384 divisors, whose sum is σ = 17027200512000. Its totient is φ = 1671527632896.

The previous prime is 5420449693723. The next prime is 5420449693733. The reversal of 5420449693728 is 8273969440245.

5420449693728 is a `hidden beast` number, since 54 + 2 + 0 + 4 + 496 + 93 + 7 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (5420449693723) and next prime (5420449693733).

It is not an unprimeable number, because it can be changed into a prime (5420449693723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242590525 + ... + 242612867.

It is an arithmetic number, because the mean of its divisors is an integer number (44341668000).

Almost surely, 2^{5420449693728} 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 5420449693728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8513600256000).

5420449693728 is an abundant number, since it is smaller than the sum of its proper divisors (11606750818272).

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

5420449693728 is a wasteful number, since it uses less digits than its factorization.

5420449693728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661 (or 22647 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 5420449693728 in words is "five trillion, four hundred twenty billion, four hundred forty-nine million, six hundred ninety-three thousand, seven hundred twenty-eight".