445378873544 has 32 divisors (see below), whose sum is σ = 912228488640. Its totient is φ = 202172443200.

The previous prime is 445378873453. The next prime is 445378873579.

445378873544 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340487 + ... + 3471254.

It is an arithmetic number, because the mean of its divisors is an integer number (28507140270).

Almost surely, 2^445378873544 is an apocalyptic number.

445378873544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445378873544 is an abundant number, since it is smaller than the sum of its proper divisors (466849615096).

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

445378873544 is a wasteful number, since it uses less digits than its factorization.

445378873544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812501 (or 6812497 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 62.

The spelling of 445378873544 in words is "four hundred forty-five billion, three hundred seventy-eight million, eight hundred seventy-three thousand, five hundred forty-four".