427201650 has 72 divisors (see below), whose sum is σ = 1155533184. Its totient is φ = 113148000.

The previous prime is 427201637. The next prime is 427201679. The reversal of 427201650 is 56102724.

427201650 is a `hidden beast` number, since 4 + 2 + 7 + 2 + 0 + 1 + 650 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64807 + ... + 71093.

It is an arithmetic number, because the mean of its divisors is an integer number (16049072).

Almost surely, 2^427201650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427201650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577766592).

427201650 is an abundant number, since it is smaller than the sum of its proper divisors (728331534).

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

427201650 is a wasteful number, since it uses less digits than its factorization.

427201650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456 (or 6448 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 427201650 is about 20668.8570075851. The cubic root of 427201650 is about 753.1433408067.

The spelling of 427201650 in words is "four hundred twenty-seven million, two hundred one thousand, six hundred fifty".