421113433242 has 32 divisors (see below), whose sum is σ = 891798429312. Its totient is φ = 132109750784.

The previous prime is 421113433231. The next prime is 421113433289. The reversal of 421113433242 is 242334311124.

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, 4941163 + ... + 5025665.

It is an arithmetic number, because the mean of its divisors is an integer number (27868700916).

Almost surely, 2^421113433242 is an apocalyptic number.

421113433242 is an abundant number, since it is smaller than the sum of its proper divisors (470684996070).

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

421113433242 is a wasteful number, since it uses less digits than its factorization.

421113433242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133382.

The product of its digits is 13824, while the sum is 30.

Adding to 421113433242 its reverse (242334311124), we get a palindrome (663447744366).

The spelling of 421113433242 in words is "four hundred twenty-one billion, one hundred thirteen million, four hundred thirty-three thousand, two hundred forty-two".