2440031421 has 16 divisors (see below), whose sum is σ = 3359692800. Its totient is φ = 1573571760.

The previous prime is 2440031413. The next prime is 2440031441. The reversal of 2440031421 is 1241300442.

It is not a de Polignac number, because 2440031421 - 2³ = 2440031413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440031441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350230 + ... + 357128.

It is an arithmetic number, because the mean of its divisors is an integer number (209980800).

Almost surely, 2^2440031421 is an apocalyptic number.

It is an amenable number.

2440031421 is a deficient number, since it is larger than the sum of its proper divisors (919661379).

2440031421 is a wasteful number, since it uses less digits than its factorization.

2440031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10736.

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

The square root of 2440031421 is about 49396.6741896658. The cubic root of 2440031421 is about 1346.2688782442.

Adding to 2440031421 its reverse (1241300442), we get a palindrome (3681331863).

The spelling of 2440031421 in words is "two billion, four hundred forty million, thirty-one thousand, four hundred twenty-one".