420430221422415 has 24 divisors (see below), whose sum is σ = 728747668123488. Its totient is φ = 224228851120320.

The previous prime is 420430221422411. The next prime is 420430221422417. The reversal of 420430221422415 is 514224122034024.

420430221422415 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 3 + 0 + 2 + 214 + 22 + 415 = 666.

It is not a de Polignac number, because 420430221422415 - 2² = 420430221422411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420430221422415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420430221422411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4750750 + ... + 29384180.

It is an arithmetic number, because the mean of its divisors is an integer number (30364486171812).

Almost surely, 2^{420430221422415} is an apocalyptic number.

420430221422415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420430221422415 is a deficient number, since it is larger than the sum of its proper divisors (308317446701073).

420430221422415 is a wasteful number, since it uses less digits than its factorization.

420430221422415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25012719 (or 25012716 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 420430221422415 its reverse (514224122034024), we get a palindrome (934654343456439).

The spelling of 420430221422415 in words is "four hundred twenty trillion, four hundred thirty billion, two hundred twenty-one million, four hundred twenty-two thousand, four hundred fifteen".