5421421690320 has 80 divisors (see below), whose sum is σ = 16808022824832. Its totient is φ = 1445573475840.

The previous prime is 5421421690291. The next prime is 5421421690339. The reversal of 5421421690320 is 230961241245.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1428205 + ... + 3589235.

Almost surely, 2^{5421421690320} is an apocalyptic number.

It is an amenable number.

5421421690320 is an abundant number, since it is smaller than the sum of its proper divisors (11386601134512).

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

5421421690320 is a wasteful number, since it uses less digits than its factorization.

5421421690320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171500 (or 2171494 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 5421421690320 in words is "five trillion, four hundred twenty-one billion, four hundred twenty-one million, six hundred ninety thousand, three hundred twenty".