444433002440 has 64 divisors (see below), whose sum is σ = 1143076786560. Its totient is φ = 152343820800.

The previous prime is 444433002371. The next prime is 444433002443. The reversal of 444433002440 is 44200334444.

It is a junction number, because it is equal to n+sod(n) for n = 444433002397 and 444433002406.

It is not an unprimeable number, because it can be changed into a prime (444433002443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131644 + ... + 1472916.

It is an arithmetic number, because the mean of its divisors is an integer number (17860574790).

Almost surely, 2^444433002440 is an apocalyptic number.

444433002440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444433002440 is an abundant number, since it is smaller than the sum of its proper divisors (698643784120).

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

444433002440 is a wasteful number, since it uses less digits than its factorization.

444433002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345942 (or 345938 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 444433002440 its reverse (44200334444), we get a palindrome (488633336884).

The spelling of 444433002440 in words is "four hundred forty-four billion, four hundred thirty-three million, two thousand, four hundred forty".