445458442857428 has 96 divisors (see below), whose sum is σ = 1062293550624768. Its totient is φ = 157813717564800.

The previous prime is 445458442857427. The next prime is 445458442857457. The reversal of 445458442857428 is 824758244854544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445458442857427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829980668 + ... + 830517203.

It is an arithmetic number, because the mean of its divisors is an integer number (11065557819008).

Almost surely, 2^{445458442857428} is an apocalyptic number.

It is an amenable number.

445458442857428 is an abundant number, since it is smaller than the sum of its proper divisors (616835107767340).

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

445458442857428 is a wasteful number, since it uses less digits than its factorization.

445458442857428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660497973 (or 1660497971 counting only the distinct ones).

The product of its digits is 7340032000, while the sum is 74.

The spelling of 445458442857428 in words is "four hundred forty-five trillion, four hundred fifty-eight billion, four hundred forty-two million, eight hundred fifty-seven thousand, four hundred twenty-eight".