1406800000656 has 40 divisors (see below), whose sum is σ = 4038037040160. Its totient is φ = 468933333408.

The previous prime is 1406800000649. The next prime is 1406800000687. The reversal of 1406800000656 is 6560000086041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1406800000656.

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 7 ways as a sum of consecutive naturals, for example, 1628240310 + ... + 1628241173.

It is an arithmetic number, because the mean of its divisors is an integer number (100950926004).

Almost surely, 2^{1406800000656} is an apocalyptic number.

1406800000656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1406800000656 is an abundant number, since it is smaller than the sum of its proper divisors (2631237039504).

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

1406800000656 is a wasteful number, since it uses less digits than its factorization.

1406800000656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256481500 (or 3256481488 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 1406800000656 its reverse (6560000086041), we get a palindrome (7966800086697).

The spelling of 1406800000656 in words is "one trillion, four hundred six billion, eight hundred million, six hundred fifty-six", and thus it is an aban number.