5421539027520 has 448 divisors, whose sum is σ = 23845386700800. Its totient is φ = 1126553425920.

The previous prime is 5421539027467. The next prime is 5421539027521. The reversal of 5421539027520 is 257209351245.

5421539027520 is a `hidden beast` number, since 5 + 4 + 2 + 15 + 3 + 90 + 27 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is not an unprimeable number, because it can be changed into a prime (5421539027521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3409350 + ... + 4739909.

It is an arithmetic number, because the mean of its divisors is an integer number (53226309600).

Almost surely, 2^{5421539027520} is an apocalyptic number.

It is an amenable number.

5421539027520 is an abundant number, since it is smaller than the sum of its proper divisors (18423847673280).

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

5421539027520 is a wasteful number, since it uses less digits than its factorization.

5421539027520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149303 (or 8149287 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 5421539027520 in words is "five trillion, four hundred twenty-one billion, five hundred thirty-nine million, twenty-seven thousand, five hundred twenty".