4444344437440 has 28 divisors (see below), whose sum is σ = 10583095192416. Its totient is φ = 1777737774848.

The previous prime is 4444344437387. The next prime is 4444344437453. The reversal of 4444344437440 is 447344434444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6944287864 + ... + 6944288503.

Almost surely, 2^{4444344437440} is an apocalyptic number.

4444344437440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444344437440 is an abundant number, since it is smaller than the sum of its proper divisors (6138750754976).

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

4444344437440 is a wasteful number, since it uses less digits than its factorization.

4444344437440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13888576384 (or 13888576374 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 49.

The spelling of 4444344437440 in words is "four trillion, four hundred forty-four billion, three hundred forty-four million, four hundred thirty-seven thousand, four hundred forty".