445243342494 has 32 divisors (see below), whose sum is σ = 901800656640. Its totient is φ = 146537338752.

The previous prime is 445243342493. The next prime is 445243342517. The reversal of 445243342494 is 494243342544.

It is a super-2 number, since 2×445243342494² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445243342493) 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, 860664 + ... + 1277195.

It is an arithmetic number, because the mean of its divisors is an integer number (28181270520).

Almost surely, 2^445243342494 is an apocalyptic number.

445243342494 is an abundant number, since it is smaller than the sum of its proper divisors (456557314146).

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

445243342494 is a wasteful number, since it uses less digits than its factorization.

445243342494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138304.

The product of its digits is 6635520, while the sum is 48.

The spelling of 445243342494 in words is "four hundred forty-five billion, two hundred forty-three million, three hundred forty-two thousand, four hundred ninety-four".