444021321124 has 6 divisors (see below), whose sum is σ = 777037311974. Its totient is φ = 222010660560.

The previous prime is 444021321119. The next prime is 444021321193. The reversal of 444021321124 is 421123120444.

It can be written as a sum of positive squares in only one way, i.e., 384152040000 + 59869281124 = 619800^2 + 244682^2 .

It is a super-2 number, since 2×444021321124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444021321092 and 444021321101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502665137 + ... + 55502665144.

Almost surely, 2^444021321124 is an apocalyptic number.

It is an amenable number.

444021321124 is a deficient number, since it is larger than the sum of its proper divisors (333015990850).

444021321124 is a wasteful number, since it uses less digits than its factorization.

444021321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005330285 (or 111005330283 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 444021321124 its reverse (421123120444), we get a palindrome (865144441568).

The spelling of 444021321124 in words is "four hundred forty-four billion, twenty-one million, three hundred twenty-one thousand, one hundred twenty-four".