420153240262 has 32 divisors (see below), whose sum is σ = 762704667648. Its totient is φ = 169457225856.

The previous prime is 420153240229. The next prime is 420153240263. The reversal of 420153240262 is 262042351024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420153240263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2559093 + ... + 2718319.

It is an arithmetic number, because the mean of its divisors is an integer number (23834520864).

Almost surely, 2^420153240262 is an apocalyptic number.

420153240262 is a deficient number, since it is larger than the sum of its proper divisors (342551427386).

420153240262 is a wasteful number, since it uses less digits than its factorization.

420153240262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170340.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 420153240262 its reverse (262042351024), we get a palindrome (682195591286).

The spelling of 420153240262 in words is "four hundred twenty billion, one hundred fifty-three million, two hundred forty thousand, two hundred sixty-two".