427285990464 has 56 divisors (see below), whose sum is σ = 1130762084928. Its totient is φ = 142399111680.

The previous prime is 427285990447. The next prime is 427285990471. The reversal of 427285990464 is 464099582724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 427285990398 and 427285990407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706794 + ... + 1163670.

It is an arithmetic number, because the mean of its divisors is an integer number (20192180088).

Almost surely, 2^427285990464 is an apocalyptic number.

It is an amenable number.

427285990464 is an abundant number, since it is smaller than the sum of its proper divisors (703476094464).

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

427285990464 is a wasteful number, since it uses less digits than its factorization.

427285990464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461763 (or 461753 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 427285990464 in words is "four hundred twenty-seven billion, two hundred eighty-five million, nine hundred ninety thousand, four hundred sixty-four".