1420261552656 has 80 divisors (see below), whose sum is σ = 4077316624320. Its totient is φ = 473346201600.

The previous prime is 1420261552649. The next prime is 1420261552667. The reversal of 1420261552656 is 6562551620241.

1420261552656 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 2 + 615 + 5 + 26 + 5 + 6 = 666.

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 15 ways as a sum of consecutive naturals, for example, 2532016 + ... + 3041648.

It is an arithmetic number, because the mean of its divisors is an integer number (50966457804).

Almost surely, 2^{1420261552656} is an apocalyptic number.

1420261552656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1420261552656 is an abundant number, since it is smaller than the sum of its proper divisors (2657055071664).

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

1420261552656 is a wasteful number, since it uses less digits than its factorization.

1420261552656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516101 (or 516089 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 1420261552656 in words is "one trillion, four hundred twenty billion, two hundred sixty-one million, five hundred fifty-two thousand, six hundred fifty-six".