445755211217770 has 32 divisors (see below), whose sum is σ = 802464204706560. Its totient is φ = 178278791745600.

The previous prime is 445755211217741. The next prime is 445755211217819. The reversal of 445755211217770 is 77712112557544.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2686791820 + ... + 2686957720.

It is an arithmetic number, because the mean of its divisors is an integer number (25077006397080).

Almost surely, 2^{445755211217770} is an apocalyptic number.

445755211217770 is a deficient number, since it is larger than the sum of its proper divisors (356708993488790).

445755211217770 is a wasteful number, since it uses less digits than its factorization.

445755211217770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199390.

The product of its (nonzero) digits is 19208000, while the sum is 58.

The spelling of 445755211217770 in words is "four hundred forty-five trillion, seven hundred fifty-five billion, two hundred eleven million, two hundred seventeen thousand, seven hundred seventy".