1406644422660 has 96 divisors (see below), whose sum is σ = 4376707440000. Its totient is φ = 375064007040.

The previous prime is 1406644422649. The next prime is 1406644422661. The reversal of 1406644422660 is 662244466041.

1406644422660 is a `hidden beast` number, since 140 + 6 + 6 + 4 + 442 + 2 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1406644422661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4949091 + ... + 5225589.

It is an arithmetic number, because the mean of its divisors is an integer number (45590702500).

Almost surely, 2^{1406644422660} is an apocalyptic number.

1406644422660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406644422660 is an abundant number, since it is smaller than the sum of its proper divisors (2970063017340).

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

1406644422660 is a wasteful number, since it uses less digits than its factorization.

1406644422660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285938 (or 285930 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 1406644422660 in words is "one trillion, four hundred six billion, six hundred forty-four million, four hundred twenty-two thousand, six hundred sixty".