1440010401 has 8 divisors (see below), whose sum is σ = 1924597920. Its totient is φ = 957714912.

The previous prime is 1440010391. The next prime is 1440010421. The reversal of 1440010401 is 1040100441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1440010401 - 2¹⁰ = 1440009377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440010421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571540 + ... + 574053.

It is an arithmetic number, because the mean of its divisors is an integer number (240574740).

Almost surely, 2^1440010401 is an apocalyptic number.

It is an amenable number.

1440010401 is a deficient number, since it is larger than the sum of its proper divisors (484587519).

1440010401 is a wasteful number, since it uses less digits than its factorization.

1440010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146015.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1440010401 is about 37947.4689669812. The cubic root of 1440010401 is about 1129.2459534606.

Adding to 1440010401 its reverse (1040100441), we get a palindrome (2480110842).

The spelling of 1440010401 in words is "one billion, four hundred forty million, ten thousand, four hundred one".