544405121004 has 24 divisors (see below), whose sum is σ = 1272350865520. Its totient is φ = 181172337984.

The previous prime is 544405120993. The next prime is 544405121017. The reversal of 544405121004 is 400121504445.

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, 36996799 + ... + 37011510.

Almost surely, 2^544405121004 is an apocalyptic number.

It is an amenable number.

544405121004 is an abundant number, since it is smaller than the sum of its proper divisors (727945744516).

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

544405121004 is a wasteful number, since it uses less digits than its factorization.

544405121004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74008929 (or 74008927 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 544405121004 its reverse (400121504445), we get a palindrome (944526625449).

The spelling of 544405121004 in words is "five hundred forty-four billion, four hundred five million, one hundred twenty-one thousand, four".