1440212421006 has 64 divisors (see below), whose sum is σ = 3245937546240. Its totient is φ = 473252603040.

The previous prime is 1440212420993. The next prime is 1440212421049. The reversal of 1440212421006 is 6001242120441.

1440212421006 is a `hidden beast` number, since 1 + 4 + 402 + 1 + 242 + 10 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42513631 + ... + 42547493.

It is an arithmetic number, because the mean of its divisors is an integer number (50717774160).

Almost surely, 2^{1440212421006} is an apocalyptic number.

1440212421006 is an abundant number, since it is smaller than the sum of its proper divisors (1805725125234).

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

1440212421006 is a wasteful number, since it uses less digits than its factorization.

1440212421006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45038 (or 45032 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1440212421006 its reverse (6001242120441), we get a palindrome (7441454541447).

The spelling of 1440212421006 in words is "one trillion, four hundred forty billion, two hundred twelve million, four hundred twenty-one thousand, six".