140310444 has 24 divisors (see below), whose sum is σ = 327645360. Its totient is φ = 46733824.

The previous prime is 140310427. The next prime is 140310473. The reversal of 140310444 is 444013041.

It is a self number, because there is not a number n which added to its sum of digits gives 140310444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14872 + ... + 22400.

It is an arithmetic number, because the mean of its divisors is an integer number (13651890).

Almost surely, 2^140310444 is an apocalyptic number.

It is an amenable number.

140310444 is an abundant number, since it is smaller than the sum of its proper divisors (187334916).

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

140310444 is a wasteful number, since it uses less digits than its factorization.

140310444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089 (or 9087 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140310444 is about 11845.2709551112. The cubic root of 140310444 is about 519.6329312820.

Adding to 140310444 its reverse (444013041), we get a palindrome (584323485).

The spelling of 140310444 in words is "one hundred forty million, three hundred ten thousand, four hundred forty-four".