44140401 has 12 divisors (see below), whose sum is σ = 67114320. Its totient is φ = 27878040.

The previous prime is 44140391. The next prime is 44140417. The reversal of 44140401 is 10404144.

It is not a de Polignac number, because 44140401 - 2⁷ = 44140273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44140301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128895 + ... + 129236.

It is an arithmetic number, because the mean of its divisors is an integer number (5592860).

Almost surely, 2^44140401 is an apocalyptic number.

It is an amenable number.

44140401 is a deficient number, since it is larger than the sum of its proper divisors (22973919).

44140401 is a wasteful number, since it uses less digits than its factorization.

44140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258156 (or 258153 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44140401 is about 6643.8242752198. The cubic root of 44140401 is about 353.4099381983.

Adding to 44140401 its reverse (10404144), we get a palindrome (54544545).

It can be divided in two parts, 441 and 40401, that multiplied together give a square (17816841 = 4221²).

The spelling of 44140401 in words is "forty-four million, one hundred forty thousand, four hundred one".