1440155104 has 24 divisors (see below), whose sum is σ = 2849710248. Its totient is φ = 716419200.

The previous prime is 1440155099. The next prime is 1440155117. The reversal of 1440155104 is 4015510441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107922 + ... + 120529.

It is an arithmetic number, because the mean of its divisors is an integer number (118737927).

Almost surely, 2^1440155104 is an apocalyptic number.

It is an amenable number.

1440155104 is a deficient number, since it is larger than the sum of its proper divisors (1409555144).

1440155104 is a wasteful number, since it uses less digits than its factorization.

1440155104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228658 (or 228650 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1440155104 is about 37949.3755416344. The cubic root of 1440155104 is about 1129.2837772161.

Adding to 1440155104 its reverse (4015510441), we get a palindrome (5455665545).

The spelling of 1440155104 in words is "one billion, four hundred forty million, one hundred fifty-five thousand, one hundred four".