444000431430 has 48 divisors (see below), whose sum is σ = 1178962858944. Its totient is φ = 115880962560.

The previous prime is 444000431339. The next prime is 444000431461. The reversal of 444000431430 is 34134000444.

It is a super-2 number, since 2×444000431430² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444000431394 and 444000431403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52478091 + ... + 52486550.

It is an arithmetic number, because the mean of its divisors is an integer number (24561726228).

Almost surely, 2^444000431430 is an apocalyptic number.

444000431430 is an abundant number, since it is smaller than the sum of its proper divisors (734962427514).

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

444000431430 is a wasteful number, since it uses less digits than its factorization.

444000431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104964701 (or 104964698 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 444000431430 its reverse (34134000444), we get a palindrome (478134431874).

The spelling of 444000431430 in words is "four hundred forty-four billion, four hundred thirty-one thousand, four hundred thirty".