445505225440002 has 32 divisors (see below), whose sum is σ = 1096628247238272. Its totient is φ = 117495883632384.

The previous prime is 445505225439997. The next prime is 445505225440081. The reversal of 445505225440002 is 200044522505544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407971817623 + ... + 407971818714.

It is an arithmetic number, because the mean of its divisors is an integer number (34269632726196).

Almost surely, 2^{445505225440002} is an apocalyptic number.

445505225440002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

445505225440002 is an abundant number, since it is smaller than the sum of its proper divisors (651123021798270).

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

445505225440002 is a wasteful number, since it uses less digits than its factorization.

445505225440002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815943636362.

The product of its (nonzero) digits is 1280000, while the sum is 42.

Adding to 445505225440002 its reverse (200044522505544), we get a palindrome (645549747945546).

The spelling of 445505225440002 in words is "four hundred forty-five trillion, five hundred five billion, two hundred twenty-five million, four hundred forty thousand, two".