1440100016 has 20 divisors (see below), whose sum is σ = 2817822624. Its totient is φ = 712920000.

The previous prime is 1440100001. The next prime is 1440100021. The reversal of 1440100016 is 6100010441.

It is a junction number, because it is equal to n+sod(n) for n = 1440099967 and 1440100003.

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, 443960 + ... + 447191.

Almost surely, 2^1440100016 is an apocalyptic number.

1440100016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1440100016 is a deficient number, since it is larger than the sum of its proper divisors (1377722608).

1440100016 is a wasteful number, since it uses less digits than its factorization.

1440100016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891260 (or 891254 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1440100016 is about 37948.6497256490. The cubic root of 1440100016 is about 1129.2693781240.

Adding to 1440100016 its reverse (6100010441), we get a palindrome (7540110457).

The spelling of 1440100016 in words is "one billion, four hundred forty million, one hundred thousand, sixteen".