421279091268 has 48 divisors (see below), whose sum is σ = 1123493167104. Its totient is φ = 120356641440.

The previous prime is 421279091243. The next prime is 421279091297. The reversal of 421279091268 is 862190972124.

It is a self number, because there is not a number n which added to its sum of digits gives 421279091268.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016883 + ... + 1369893.

It is an arithmetic number, because the mean of its divisors is an integer number (23406107648).

Almost surely, 2^421279091268 is an apocalyptic number.

It is an amenable number.

421279091268 is an abundant number, since it is smaller than the sum of its proper divisors (702214075836).

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

421279091268 is a wasteful number, since it uses less digits than its factorization.

421279091268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367232 (or 367230 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 421279091268 in words is "four hundred twenty-one billion, two hundred seventy-nine million, ninety-one thousand, two hundred sixty-eight".