440046294187 has 4 divisors (see below), whose sum is σ = 463206625480. Its totient is φ = 416885962896.

The previous prime is 440046294169. The next prime is 440046294197. The reversal of 440046294187 is 781492640044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440046294187 - 2⁷ = 440046294059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440046294187.

It is not an unprimeable number, because it can be changed into a prime (440046294137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11580165618 + ... + 11580165655.

It is an arithmetic number, because the mean of its divisors is an integer number (115801656370).

Almost surely, 2^440046294187 is an apocalyptic number.

440046294187 is a deficient number, since it is larger than the sum of its proper divisors (23160331293).

440046294187 is a wasteful number, since it uses less digits than its factorization.

440046294187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23160331292.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 440046294187 in words is "four hundred forty billion, forty-six million, two hundred ninety-four thousand, one hundred eighty-seven".