445057423338 has 32 divisors (see below), whose sum is σ = 971058470400. Its totient is φ = 134862539760.

The previous prime is 445057423277. The next prime is 445057423339. The reversal of 445057423338 is 833324750544.

It is a super-2 number, since 2×445057423338² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445057423339) 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, 4418331 + ... + 4517937.

It is an arithmetic number, because the mean of its divisors is an integer number (30345577200).

Almost surely, 2^445057423338 is an apocalyptic number.

445057423338 is an abundant number, since it is smaller than the sum of its proper divisors (526001047062).

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

445057423338 is a wasteful number, since it uses less digits than its factorization.

445057423338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167322.

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 445057423338 in words is "four hundred forty-five billion, fifty-seven million, four hundred twenty-three thousand, three hundred thirty-eight".