4640240466 has 32 divisors (see below), whose sum is σ = 10328875200. Its totient is φ = 1544162400.

The previous prime is 4640240453. The next prime is 4640240489. The reversal of 4640240466 is 6640420464.

It is a happy number.

4640240466 is a `hidden beast` number, since 4 + 640 + 2 + 4 + 0 + 4 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4640240466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39036 + ... + 103943.

It is an arithmetic number, because the mean of its divisors is an integer number (322777350).

Almost surely, 2^4640240466 is an apocalyptic number.

4640240466 is an abundant number, since it is smaller than the sum of its proper divisors (5688634734).

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

4640240466 is a wasteful number, since it uses less digits than its factorization.

4640240466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143591 (or 143585 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 4640240466 is about 68119.3105220539. The cubic root of 4640240466 is about 1667.9389954916.

It can be divided in two parts, 46402 and 40466, that added together give a palindrome (86868).

The spelling of 4640240466 in words is "four billion, six hundred forty million, two hundred forty thousand, four hundred sixty-six".