445562538438 has 8 divisors (see below), whose sum is σ = 891125076888. Its totient is φ = 148520846144.

The previous prime is 445562538437. The next prime is 445562538521. The reversal of 445562538438 is 834835265544.

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

445562538438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445562538433) 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, 37130211531 + ... + 37130211542.

It is an arithmetic number, because the mean of its divisors is an integer number (111390634611).

Almost surely, 2^445562538438 is an apocalyptic number.

445562538438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445562538438 is a wasteful number, since it uses less digits than its factorization.

445562538438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74260423078.

The product of its digits is 55296000, while the sum is 57.

The spelling of 445562538438 in words is "four hundred forty-five billion, five hundred sixty-two million, five hundred thirty-eight thousand, four hundred thirty-eight".