445540658847 has 12 divisors (see below), whose sum is σ = 603952469640. Its totient is φ = 292157801760.

The previous prime is 445540658683. The next prime is 445540658861. The reversal of 445540658847 is 748856045544.

It is not a de Polignac number, because 445540658847 - 2¹² = 445540654751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445540608847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19944972 + ... + 19967297.

It is an arithmetic number, because the mean of its divisors is an integer number (50329372470).

Almost surely, 2^445540658847 is an apocalyptic number.

445540658847 is a deficient number, since it is larger than the sum of its proper divisors (158411810793).

445540658847 is an equidigital number, since it uses as much as digits as its factorization.

445540658847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39912394 (or 39912333 counting only the distinct ones).

The product of its (nonzero) digits is 86016000, while the sum is 60.

The spelling of 445540658847 in words is "four hundred forty-five billion, five hundred forty million, six hundred fifty-eight thousand, eight hundred forty-seven".