440313142 has 8 divisors (see below), whose sum is σ = 660576816. Its totient is φ = 220120872.

The previous prime is 440313059. The next prime is 440313149. The reversal of 440313142 is 241313044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440313149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968 + ... + 29740.

It is an arithmetic number, because the mean of its divisors is an integer number (82572102).

Almost surely, 2^440313142 is an apocalyptic number.

440313142 is a deficient number, since it is larger than the sum of its proper divisors (220263674).

440313142 is a wasteful number, since it uses less digits than its factorization.

440313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35702.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 440313142 is about 20983.6398653808. The cubic root of 440313142 is about 760.7708833256.

Adding to 440313142 its reverse (241313044), we get a palindrome (681626186).

The spelling of 440313142 in words is "four hundred forty million, three hundred thirteen thousand, one hundred forty-two".