445838021202 has 16 divisors (see below), whose sum is σ = 1019058334272. Its totient is φ = 127382291760.

The previous prime is 445838021197. The next prime is 445838021203. The reversal of 445838021202 is 202120838544.

It is a super-2 number, since 2×445838021202² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445838021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5307595449 + ... + 5307595532.

It is an arithmetic number, because the mean of its divisors is an integer number (63691145892).

Almost surely, 2^445838021202 is an apocalyptic number.

445838021202 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

445838021202 is an abundant number, since it is smaller than the sum of its proper divisors (573220313070).

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

445838021202 is a wasteful number, since it uses less digits than its factorization.

445838021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615190993.

The product of its (nonzero) digits is 122880, while the sum is 39.

Adding to 445838021202 its reverse (202120838544), we get a palindrome (647958859746).

The spelling of 445838021202 in words is "four hundred forty-five billion, eight hundred thirty-eight million, twenty-one thousand, two hundred two".