445203203441440 has 24 divisors (see below), whose sum is σ = 1051792568130780. Its totient is φ = 178081281376512.

The previous prime is 445203203441417. The next prime is 445203203441537. The reversal of 445203203441440 is 44144302302544.

It can be written as a sum of positive squares in 2 ways, for example, as 435500302398736 + 9702901042704 = 20868644^2 + 3114948^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 445203203441393 and 445203203441402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391260010595 + ... + 1391260010914.

Almost surely, 2^{445203203441440} is an apocalyptic number.

445203203441440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445203203441440 is an abundant number, since it is smaller than the sum of its proper divisors (606589364689340).

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

445203203441440 is a wasteful number, since it uses less digits than its factorization.

445203203441440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782520021524 (or 2782520021516 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 445203203441440 its reverse (44144302302544), we get a palindrome (489347505743984).

The spelling of 445203203441440 in words is "four hundred forty-five trillion, two hundred three billion, two hundred three million, four hundred forty-one thousand, four hundred forty".