427477648649580 has 180 divisors, whose sum is σ = 1357364697563952. Its totient is φ = 112620614535360.

The previous prime is 427477648649531. The next prime is 427477648649593. The reversal of 427477648649580 is 85946846774724.

427477648649580 is a `hidden beast` number, since 4 + 2 + 7 + 4 + 7 + 7 + 6 + 48 + 6 + 495 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 427477648649580.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7991736 + ... + 30312095.

Almost surely, 2^{427477648649580} is an apocalyptic number.

It is an amenable number.

427477648649580 is an abundant number, since it is smaller than the sum of its proper divisors (929887048914372).

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

427477648649580 is a wasteful number, since it uses less digits than its factorization.

427477648649580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38304018 (or 38303924 counting only the distinct ones).

The product of its (nonzero) digits is 18207866880, while the sum is 81.

The spelling of 427477648649580 in words is "four hundred twenty-seven trillion, four hundred seventy-seven billion, six hundred forty-eight million, six hundred forty-nine thousand, five hundred eighty".