426462660 has 144 divisors (see below), whose sum is σ = 1438295040. Its totient is φ = 101571840.

The previous prime is 426462649. The next prime is 426462671. The reversal of 426462660 is 66264624.

426462660 is a `hidden beast` number, since 4 + 2 + 646 + 2 + 6 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (426462649) and next prime (426462671).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69601 + ... + 75479.

It is an arithmetic number, because the mean of its divisors is an integer number (9988160).

Almost surely, 2^426462660 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 426462660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719147520).

426462660 is an abundant number, since it is smaller than the sum of its proper divisors (1011832380).

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

426462660 is a wasteful number, since it uses less digits than its factorization.

426462660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 426462660 is about 20650.9723742007. The cubic root of 426462660 is about 752.7088179617.

The spelling of 426462660 in words is "four hundred twenty-six million, four hundred sixty-two thousand, six hundred sixty".