427005665496 has 128 divisors (see below), whose sum is σ = 1204489440000. Its totient is φ = 140134046976.

The previous prime is 427005665483. The next prime is 427005665501. The reversal of 427005665496 is 694566500724.

427005665496 is a `hidden beast` number, since 4 + 2 + 70 + 0 + 566 + 5 + 4 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30369700 + ... + 30383756.

It is an arithmetic number, because the mean of its divisors is an integer number (9410073750).

Almost surely, 2^427005665496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427005665496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602244720000).

427005665496 is an abundant number, since it is smaller than the sum of its proper divisors (777483774504).

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

427005665496 is a wasteful number, since it uses less digits than its factorization.

427005665496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16238 (or 16228 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 427005665496 in words is "four hundred twenty-seven billion, five million, six hundred sixty-five thousand, four hundred ninety-six".