1440986112 has 132 divisors (see below), whose sum is σ = 4315665536. Its totient is φ = 480245760.

The previous prime is 1440986111. The next prime is 1440986117. The reversal of 1440986112 is 2116890441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440986111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245937 + ... + 251727.

Almost surely, 2^1440986112 is an apocalyptic number.

1440986112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440986112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157832768).

1440986112 is an abundant number, since it is smaller than the sum of its proper divisors (2874679424).

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

1440986112 is an frugal number, since it uses more digits than its factorization.

1440986112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1440986112 is about 37960.3228648019. The cubic root of 1440986112 is about 1129.5009444287.

The spelling of 1440986112 in words is "one billion, four hundred forty million, nine hundred eighty-six thousand, one hundred twelve".