1440030160 has 40 divisors (see below), whose sum is σ = 3356577576. Its totient is φ = 574548480.

The previous prime is 1440030113. The next prime is 1440030181. The reversal of 1440030160 is 610300441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3013696 + 1437016464 = 1736^2 + 37908^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9090 + ... + 54430.

Almost surely, 2^1440030160 is an apocalyptic number.

1440030160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440030160 is an abundant number, since it is smaller than the sum of its proper divisors (1916547416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1440030160 is a wasteful number, since it uses less digits than its factorization.

1440030160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45751 (or 45745 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1440030160 is about 37947.7293128324. The cubic root of 1440030160 is about 1129.2511183929.

The spelling of 1440030160 in words is "one billion, four hundred forty million, thirty thousand, one hundred sixty".