445235337820 has 96 divisors (see below), whose sum is σ = 1157822765568. Its totient is φ = 140045075712.

The previous prime is 445235337809. The next prime is 445235337851. The reversal of 445235337820 is 28733532544.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453754 + ... + 1047073.

It is an arithmetic number, because the mean of its divisors is an integer number (12060653808).

Almost surely, 2^445235337820 is an apocalyptic number.

It is an amenable number.

445235337820 is an abundant number, since it is smaller than the sum of its proper divisors (712587427748).

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

445235337820 is a wasteful number, since it uses less digits than its factorization.

445235337820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501019 (or 1501017 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 445235337820 in words is "four hundred forty-five billion, two hundred thirty-five million, three hundred thirty-seven thousand, eight hundred twenty".