445025213644 has 12 divisors (see below), whose sum is σ = 849593589768. Its totient is φ = 202284188000.

The previous prime is 445025213641. The next prime is 445025213671. The reversal of 445025213644 is 446312520544.

It is a junction number, because it is equal to n+sod(n) for n = 445025213597 and 445025213606.

It is not an unprimeable number, because it can be changed into a prime (445025213641) 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, 5057104657 + ... + 5057104744.

It is an arithmetic number, because the mean of its divisors is an integer number (70799465814).

Almost surely, 2^445025213644 is an apocalyptic number.

445025213644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445025213644 is a deficient number, since it is larger than the sum of its proper divisors (404568376124).

445025213644 is a wasteful number, since it uses less digits than its factorization.

445025213644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114209416 (or 10114209414 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 445025213644 in words is "four hundred forty-five billion, twenty-five million, two hundred thirteen thousand, six hundred forty-four".