4640346564 has 96 divisors (see below), whose sum is σ = 12763914240. Its totient is φ = 1284377472.

The previous prime is 4640346563. The next prime is 4640346617. The reversal of 4640346564 is 4656430464.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (4640346563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739689 + ... + 745935.

It is an arithmetic number, because the mean of its divisors is an integer number (132957440).

Almost surely, 2^4640346564 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 4640346564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6381957120).

4640346564 is an abundant number, since it is smaller than the sum of its proper divisors (8123567676).

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

4640346564 is a wasteful number, since it uses less digits than its factorization.

4640346564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The square root of 4640346564 is about 68120.0892835586. The cubic root of 4640346564 is about 1667.9517077381.

The spelling of 4640346564 in words is "four billion, six hundred forty million, three hundred forty-six thousand, five hundred sixty-four".