4445742045731 has 8 divisors (see below), whose sum is σ = 5087914606080. Its totient is φ = 3805336123848.

The previous prime is 4445742045671. The next prime is 4445742045761. The reversal of 4445742045731 is 1375402475444.

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

It is a de Polignac number, because none of the positive numbers 2^k-4445742045731 is a prime.

It is a super-2 number, since 2×4445742045731² (a number of 26 digits) contains 22 as substring.

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 4445742045731.

It is not an unprimeable number, because it can be changed into a prime (4445742045761) 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, 441654221 + ... + 441664286.

It is an arithmetic number, because the mean of its divisors is an integer number (635989325760).

Almost surely, 2^{4445742045731} is an apocalyptic number.

4445742045731 is a deficient number, since it is larger than the sum of its proper divisors (642172560349).

4445742045731 is an equidigital number, since it uses as much as digits as its factorization.

4445742045731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883319233.

The product of its (nonzero) digits is 7526400, while the sum is 50.

The spelling of 4445742045731 in words is "four trillion, four hundred forty-five billion, seven hundred forty-two million, forty-five thousand, seven hundred thirty-one".