421202243154352 has 80 divisors (see below), whose sum is σ = 900914060738304. Its totient is φ = 189173892320000.

The previous prime is 421202243154317. The next prime is 421202243154383. The reversal of 421202243154352 is 253451342202124.

It is a super-2 number, since 2×421202243154352² (a number of 30 digits) contains 22 as substring.

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, 15401308 + ... + 32857339.

Almost surely, 2^{421202243154352} is an apocalyptic number.

It is an amenable number.

421202243154352 is an abundant number, since it is smaller than the sum of its proper divisors (479711817583952).

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

421202243154352 is a wasteful number, since it uses less digits than its factorization.

421202243154352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48259258 (or 48259252 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 421202243154352 its reverse (253451342202124), we get a palindrome (674653585356476).

It can be divided in two parts, 4212022 and 43154352, that added together give a palindrome (47366374).

The spelling of 421202243154352 in words is "four hundred twenty-one trillion, two hundred two billion, two hundred forty-three million, one hundred fifty-four thousand, three hundred fifty-two".