1440400003312 has 40 divisors (see below), whose sum is σ = 2798395891200. Its totient is φ = 718235259072.

The previous prime is 1440400003297. The next prime is 1440400003321. The reversal of 1440400003312 is 2133000040441.

It is a super-2 number, since 2×1440400003312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12041943 + ... + 12160969.

It is an arithmetic number, because the mean of its divisors is an integer number (69959897280).

Almost surely, 2^{1440400003312} is an apocalyptic number.

It is an amenable number.

1440400003312 is a deficient number, since it is larger than the sum of its proper divisors (1357995887888).

1440400003312 is a wasteful number, since it uses less digits than its factorization.

1440400003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121093 (or 121087 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1440400003312 its reverse (2133000040441), we get a palindrome (3573400043753).

The spelling of 1440400003312 in words is "one trillion, four hundred forty billion, four hundred million, three thousand, three hundred twelve".