421120011344 has 20 divisors (see below), whose sum is σ = 816666551796. Its totient is φ = 210367352832.

The previous prime is 421120011317. The next prime is 421120011401. The reversal of 421120011344 is 443110021124.

It can be written as a sum of positive squares in 2 ways, for example, as 389485831744 + 31634179600 = 624088^2 + 177860^2 .

It is a super-3 number, since 3×421120011344³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12022769 + ... + 12057744.

Almost surely, 2^421120011344 is an apocalyptic number.

It is an amenable number.

421120011344 is a deficient number, since it is larger than the sum of its proper divisors (395546540452).

421120011344 is a wasteful number, since it uses less digits than its factorization.

421120011344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24081614 (or 24081608 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 421120011344 its reverse (443110021124), we get a palindrome (864230032468).

The spelling of 421120011344 in words is "four hundred twenty-one billion, one hundred twenty million, eleven thousand, three hundred forty-four".