240044431 has 12 divisors (see below), whose sum is σ = 264359160. Its totient is φ = 216164480.

The previous prime is 240044401. The next prime is 240044459. The reversal of 240044431 is 134440042.

It is not a de Polignac number, because 240044431 - 2¹⁹ = 239520143 is a prime.

It is a super-2 number, since 2×240044431² = 115242657708227522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240044401) 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, 139605 + ... + 141313.

It is an arithmetic number, because the mean of its divisors is an integer number (22029930).

Almost surely, 2^240044431 is an apocalyptic number.

240044431 is a deficient number, since it is larger than the sum of its proper divisors (24314729).

240044431 is a wasteful number, since it uses less digits than its factorization.

240044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 240044431 is about 15493.3673228256. The cubic root of 240044431 is about 621.4848481155.

Adding to 240044431 its reverse (134440042), we get a palindrome (374484473).

The spelling of 240044431 in words is "two hundred forty million, forty-four thousand, four hundred thirty-one".