424401221004 has 24 divisors (see below), whose sum is σ = 992556524400. Its totient is φ = 141140358144.

The previous prime is 424401221003. The next prime is 424401221017. The reversal of 424401221004 is 400122104424.

It is not an unprimeable number, because it can be changed into a prime (424401221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40834029 + ... + 40844420.

It is an arithmetic number, because the mean of its divisors is an integer number (41356521850).

Almost surely, 2^424401221004 is an apocalyptic number.

It is an amenable number.

424401221004 is an abundant number, since it is smaller than the sum of its proper divisors (568155303396).

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

424401221004 is a wasteful number, since it uses less digits than its factorization.

424401221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81678889 (or 81678887 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 424401221004 its reverse (400122104424), we get a palindrome (824523325428).

The spelling of 424401221004 in words is "four hundred twenty-four billion, four hundred one million, two hundred twenty-one thousand, four".