444487346287 has 8 divisors (see below), whose sum is σ = 451397011104. Its totient is φ = 437627571168.

The previous prime is 444487346249. The next prime is 444487346291. The reversal of 444487346287 is 782643784444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444487346287 - 2³¹ = 442339862639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444487346887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12454468 + ... + 12490105.

It is an arithmetic number, because the mean of its divisors is an integer number (56424626388).

Almost surely, 2^444487346287 is an apocalyptic number.

444487346287 is a deficient number, since it is larger than the sum of its proper divisors (6909664817).

444487346287 is a wasteful number, since it uses less digits than its factorization.

444487346287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24944849.

The product of its digits is 115605504, while the sum is 61.

The spelling of 444487346287 in words is "four hundred forty-four billion, four hundred eighty-seven million, three hundred forty-six thousand, two hundred eighty-seven".