1440074016 has 36 divisors (see below), whose sum is σ = 4095211302. Its totient is φ = 480024576.

The previous prime is 1440073997. The next prime is 1440074017. The reversal of 1440074016 is 6104700441.

It can be written as a sum of positive squares in only one way, i.e., 1343955600 + 96118416 = 36660^2 + 9804^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1440074016³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1440074017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2499841 + ... + 2500416.

Almost surely, 2^1440074016 is an apocalyptic number.

1440074016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1440074016 is an abundant number, since it is smaller than the sum of its proper divisors (2655137286).

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

1440074016 is a wasteful number, since it uses less digits than its factorization.

1440074016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000273 (or 5000262 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1440074016 is about 37948.3071559194. The cubic root of 1440074016 is about 1129.2625820265.

Adding to 1440074016 its reverse (6104700441), we get a palindrome (7544774457).

The spelling of 1440074016 in words is "one billion, four hundred forty million, seventy-four thousand, sixteen".