424405550221 has 8 divisors (see below), whose sum is σ = 442872955584. Its totient is φ = 405939394080.

The previous prime is 424405550213. The next prime is 424405550243. The reversal of 424405550221 is 122055504424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424405550221 - 2³ = 424405550213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424405551221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418345 + ... + 1011841.

It is an arithmetic number, because the mean of its divisors is an integer number (55359119448).

Almost surely, 2^424405550221 is an apocalyptic number.

It is an amenable number.

424405550221 is a deficient number, since it is larger than the sum of its proper divisors (18467405363).

424405550221 is a wasteful number, since it uses less digits than its factorization.

424405550221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624611.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 424405550221 in words is "four hundred twenty-four billion, four hundred five million, five hundred fifty thousand, two hundred twenty-one".