427622292612 has 72 divisors (see below), whose sum is σ = 1100507597280. Its totient is φ = 139965154560.

The previous prime is 427622292589. The next prime is 427622292673. The reversal of 427622292612 is 216292226724.

427622292612 is a `hidden beast` number, since 4 + 2 + 7 + 6 + 2 + 2 + 29 + 2 + 612 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1756983 + ... + 1985505.

It is an arithmetic number, because the mean of its divisors is an integer number (15284827740).

Almost surely, 2^427622292612 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 427622292612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550253798640).

427622292612 is an abundant number, since it is smaller than the sum of its proper divisors (672885304668).

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

427622292612 is a wasteful number, since it uses less digits than its factorization.

427622292612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229473 (or 229468 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 427622292612 in words is "four hundred twenty-seven billion, six hundred twenty-two million, two hundred ninety-two thousand, six hundred twelve".