1440053051 has 16 divisors (see below), whose sum is σ = 1547175168. Its totient is φ = 1335552000.

The previous prime is 1440053039. The next prime is 1440053053. The reversal of 1440053051 is 1503500441.

It is a cyclic number.

It is not a de Polignac number, because 1440053051 - 2¹⁸ = 1439790907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440053053) 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, 381011 + ... + 384771.

It is an arithmetic number, because the mean of its divisors is an integer number (96698448).

Almost surely, 2^1440053051 is an apocalyptic number.

1440053051 is a deficient number, since it is larger than the sum of its proper divisors (107122117).

1440053051 is a wasteful number, since it uses less digits than its factorization.

1440053051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1440053051 is about 37948.0309238833. The cubic root of 1440053051 is about 1129.2571019598.

Adding to 1440053051 its reverse (1503500441), we get a palindrome (2943553492).

The spelling of 1440053051 in words is "one billion, four hundred forty million, fifty-three thousand, fifty-one".