421233111044 has 24 divisors (see below), whose sum is σ = 751100574168. Its totient is φ = 206633306880.

The previous prime is 421233111037. The next prime is 421233111059. The reversal of 421233111044 is 440111332124.

It can be written as a sum of positive squares in 4 ways, for example, as 213224144644 + 208008966400 = 461762^2 + 456080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8263154 + ... + 8313974.

It is an arithmetic number, because the mean of its divisors is an integer number (31295857257).

Almost surely, 2^421233111044 is an apocalyptic number.

It is an amenable number.

421233111044 is a deficient number, since it is larger than the sum of its proper divisors (329867463124).

421233111044 is a wasteful number, since it uses less digits than its factorization.

421233111044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89975 (or 89973 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 421233111044 its reverse (440111332124), we get a palindrome (861344443168).

The spelling of 421233111044 in words is "four hundred twenty-one billion, two hundred thirty-three million, one hundred eleven thousand, forty-four".