1440202113 has 40 divisors (see below), whose sum is σ = 2462615232. Its totient is φ = 821682144.

The previous prime is 1440202111. The next prime is 1440202117. The reversal of 1440202113 is 3112020441.

It is not a de Polignac number, because 1440202113 - 2¹ = 1440202111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440202111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 450306 + ... + 453492.

Almost surely, 2^1440202113 is an apocalyptic number.

It is an amenable number.

1440202113 is a deficient number, since it is larger than the sum of its proper divisors (1022413119).

1440202113 is an equidigital number, since it uses as much as digits as its factorization.

1440202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1440202113 is about 37949.9949011854. The cubic root of 1440202113 is about 1129.2960643009.

Adding to 1440202113 its reverse (3112020441), we get a palindrome (4552222554).

The spelling of 1440202113 in words is "one billion, four hundred forty million, two hundred two thousand, one hundred thirteen".