1408278786480 has 60 divisors (see below), whose sum is σ = 4729469593680. Its totient is φ = 375541009536.

The previous prime is 1408278786469. The next prime is 1408278786493. The reversal of 1408278786480 is 846878728041.

1408278786480 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 2 + 78 + 7 + 86 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977970660 + ... + 977972099.

It is an arithmetic number, because the mean of its divisors is an integer number (78824493228).

Almost surely, 2^{1408278786480} is an apocalyptic number.

1408278786480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408278786480 is an abundant number, since it is smaller than the sum of its proper divisors (3321190807200).

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

1408278786480 is a wasteful number, since it uses less digits than its factorization.

1408278786480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955942778 (or 1955942769 counting only the distinct ones).

The product of its (nonzero) digits is 38535168, while the sum is 63.

The spelling of 1408278786480 in words is "one trillion, four hundred eight billion, two hundred seventy-eight million, seven hundred eighty-six thousand, four hundred eighty".