440313142242 has 64 divisors (see below), whose sum is σ = 887502946176. Its totient is φ = 145631554560.

The previous prime is 440313142237. The next prime is 440313142259. The reversal of 440313142242 is 242241313044.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674292388 + ... + 674293040.

It is an arithmetic number, because the mean of its divisors is an integer number (13867233534).

Almost surely, 2^440313142242 is an apocalyptic number.

440313142242 is an abundant number, since it is smaller than the sum of its proper divisors (447189803934).

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

440313142242 is a wasteful number, since it uses less digits than its factorization.

440313142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 440313142242 its reverse (242241313044), we get a palindrome (682554455286).

The spelling of 440313142242 in words is "four hundred forty billion, three hundred thirteen million, one hundred forty-two thousand, two hundred forty-two".