44140312 has 16 divisors (see below), whose sum is σ = 86361840. Its totient is φ = 21110496.

The previous prime is 44140307. The next prime is 44140321. The reversal of 44140312 is 21304144.

It is a self number, because there is not a number n which added to its sum of digits gives 44140312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119763 + ... + 120130.

It is an arithmetic number, because the mean of its divisors is an integer number (5397615).

Almost surely, 2^44140312 is an apocalyptic number.

It is an amenable number.

44140312 is a deficient number, since it is larger than the sum of its proper divisors (42221528).

44140312 is a wasteful number, since it uses less digits than its factorization.

44140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239922 (or 239918 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44140312 is about 6643.8175772669. The cubic root of 44140312 is about 353.4097006721.

Adding to 44140312 its reverse (21304144), we get a palindrome (65444456).

The spelling of 44140312 in words is "forty-four million, one hundred forty thousand, three hundred twelve".