5421917439420 has 48 divisors (see below), whose sum is σ = 15328760778240. Its totient is φ = 1431807322176.

The previous prime is 5421917439409. The next prime is 5421917439437. The reversal of 5421917439420 is 249347191245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438660280 + ... + 438672639.

It is an arithmetic number, because the mean of its divisors is an integer number (319349182880).

Almost surely, 2^{5421917439420} is an apocalyptic number.

It is an amenable number.

5421917439420 is an abundant number, since it is smaller than the sum of its proper divisors (9906843338820).

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

5421917439420 is a wasteful number, since it uses less digits than its factorization.

5421917439420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877333034 (or 877333032 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 5421917439420 in words is "five trillion, four hundred twenty-one billion, nine hundred seventeen million, four hundred thirty-nine thousand, four hundred twenty".