445353345550 has 24 divisors (see below), whose sum is σ = 829472173776. Its totient is φ = 177901563840.

The previous prime is 445353345499. The next prime is 445353345587. The reversal of 445353345550 is 55543353544.

It is a self number, because there is not a number n which added to its sum of digits gives 445353345550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5956839 + ... + 6031138.

It is an arithmetic number, because the mean of its divisors is an integer number (34561340574).

Almost surely, 2^445353345550 is an apocalyptic number.

445353345550 is a deficient number, since it is larger than the sum of its proper divisors (384118828226).

445353345550 is a wasteful number, since it uses less digits than its factorization.

445353345550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988732 (or 11988727 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 46.

The spelling of 445353345550 in words is "four hundred forty-five billion, three hundred fifty-three million, three hundred forty-five thousand, five hundred fifty".