421326055215 has 48 divisors (see below), whose sum is σ = 786534604128. Its totient is φ = 207406418688.

The previous prime is 421326055187. The next prime is 421326055219. The reversal of 421326055215 is 512550623124.

421326055215 is a `hidden beast` number, since 4 + 2 + 1 + 32 + 60 + 552 + 15 = 666.

It is not a de Polignac number, because 421326055215 - 2²³ = 421317666607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421326055215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421326055219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13455157 + ... + 13486433.

It is an arithmetic number, because the mean of its divisors is an integer number (16386137586).

Almost surely, 2^421326055215 is an apocalyptic number.

421326055215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421326055215 is a deficient number, since it is larger than the sum of its proper divisors (365208548913).

421326055215 is a wasteful number, since it uses less digits than its factorization.

421326055215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54328 (or 54325 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 421326055215 its reverse (512550623124), we get a palindrome (933876678339).

The spelling of 421326055215 in words is "four hundred twenty-one billion, three hundred twenty-six million, fifty-five thousand, two hundred fifteen".