420300405253251 has 12 divisors (see below), whose sum is σ = 607124355346080. Its totient is φ = 280189299408720.

The previous prime is 420300405253241. The next prime is 420300405253259. The reversal of 420300405253251 is 152352504003024.

420300405253251 is a `hidden beast` number, since 4 + 2 + 0 + 30 + 0 + 40 + 5 + 2 + 532 + 51 = 666.

It is not a de Polignac number, because 420300405253251 - 2¹⁵ = 420300405220483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420300405253259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913987371 + ... + 914447108.

It is an arithmetic number, because the mean of its divisors is an integer number (50593696278840).

Almost surely, 2^{420300405253251} is an apocalyptic number.

420300405253251 is a deficient number, since it is larger than the sum of its proper divisors (186823950092829).

420300405253251 is a wasteful number, since it uses less digits than its factorization.

420300405253251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828460026 (or 1828460023 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 420300405253251 its reverse (152352504003024), we get a palindrome (572652909256275).

The spelling of 420300405253251 in words is "four hundred twenty trillion, three hundred billion, four hundred five million, two hundred fifty-three thousand, two hundred fifty-one".