440222400402 has 16 divisors (see below), whose sum is σ = 880453264320. Its totient is φ = 146739389552.

The previous prime is 440222400379. The next prime is 440222400407. The reversal of 440222400402 is 204004222044.

It is not an unprimeable number, because it can be changed into a prime (440222400407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471808 + ... + 1050260.

It is an arithmetic number, because the mean of its divisors is an integer number (55028329020).

Almost surely, 2^440222400402 is an apocalyptic number.

440222400402 is an abundant number, since it is smaller than the sum of its proper divisors (440230863918).

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

440222400402 is a wasteful number, since it uses less digits than its factorization.

440222400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705297.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440222400402 its reverse (204004222044), we get a palindrome (644226622446).

The spelling of 440222400402 in words is "four hundred forty billion, two hundred twenty-two million, four hundred thousand, four hundred two".