420390713262 has 64 divisors (see below), whose sum is σ = 971852454720. Its totient is φ = 120074379264.

The previous prime is 420390713261. The next prime is 420390713273. The reversal of 420390713262 is 262317093024.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 420390713262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420390713261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2074687 + ... + 2268282.

It is an arithmetic number, because the mean of its divisors is an integer number (15185194605).

Almost surely, 2^420390713262 is an apocalyptic number.

420390713262 is an abundant number, since it is smaller than the sum of its proper divisors (551461741458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420390713262 is a wasteful number, since it uses less digits than its factorization.

420390713262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343077.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 420390713262 in words is "four hundred twenty billion, three hundred ninety million, seven hundred thirteen thousand, two hundred sixty-two".