1440380770340 has 12 divisors (see below), whose sum is σ = 3024799617756. Its totient is φ = 576152308128.

The previous prime is 1440380770289. The next prime is 1440380770369. The reversal of 1440380770340 is 430770830441.

It can be written as a sum of positive squares in 2 ways, for example, as 1129828688356 + 310552081984 = 1062934^2 + 557272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36009519239 + ... + 36009519278.

It is an arithmetic number, because the mean of its divisors is an integer number (252066634813).

Almost surely, 2^{1440380770340} is an apocalyptic number.

1440380770340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440380770340 is an abundant number, since it is smaller than the sum of its proper divisors (1584418847416).

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

1440380770340 is a wasteful number, since it uses less digits than its factorization.

1440380770340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72019038526 (or 72019038524 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 1440380770340 in words is "one trillion, four hundred forty billion, three hundred eighty million, seven hundred seventy thousand, three hundred forty".