1440356532612 has 24 divisors (see below), whose sum is σ = 3401323862496. Its totient is φ = 474334279488.

The previous prime is 1440356532487. The next prime is 1440356532613. The reversal of 1440356532612 is 2162356530441.

It is not an unprimeable number, because it can be changed into a prime (1440356532613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 723069553 + ... + 723071544.

It is an arithmetic number, because the mean of its divisors is an integer number (141721827604).

Almost surely, 2^{1440356532612} is an apocalyptic number.

1440356532612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440356532612 is an abundant number, since it is smaller than the sum of its proper divisors (1960967329884).

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

1440356532612 is a wasteful number, since it uses less digits than its factorization.

1440356532612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446141187 (or 1446141185 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1440356532612 in words is "one trillion, four hundred forty billion, three hundred fifty-six million, five hundred thirty-two thousand, six hundred twelve".