440202421052 has 12 divisors (see below), whose sum is σ = 782982995256. Its totient is φ = 216492993840.

The previous prime is 440202421027. The next prime is 440202421079. The reversal of 440202421052 is 250124202044.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 902053898 + ... + 902054385.

It is an arithmetic number, because the mean of its divisors is an integer number (65248582938).

Almost surely, 2^440202421052 is an apocalyptic number.

It is an amenable number.

440202421052 is a deficient number, since it is larger than the sum of its proper divisors (342780574204).

440202421052 is a wasteful number, since it uses less digits than its factorization.

440202421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804108348 (or 1804108346 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 440202421052 its reverse (250124202044), we get a palindrome (690326623096).

The spelling of 440202421052 in words is "four hundred forty billion, two hundred two million, four hundred twenty-one thousand, fifty-two".