4640688416 has 48 divisors (see below), whose sum is σ = 11244752064. Its totient is φ = 1835875584.

The previous prime is 4640688413. The next prime is 4640688419. The reversal of 4640688416 is 6148860464.

It is an interprime number because it is at equal distance from previous prime (4640688413) and next prime (4640688419).

It is not an unprimeable number, because it can be changed into a prime (4640688413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793910 + ... + 799733.

It is an arithmetic number, because the mean of its divisors is an integer number (234265668).

Almost surely, 2^4640688416 is an apocalyptic number.

It is an amenable number.

4640688416 is an abundant number, since it is smaller than the sum of its proper divisors (6604063648).

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

4640688416 is a wasteful number, since it uses less digits than its factorization.

4640688416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593673 (or 1593665 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The square root of 4640688416 is about 68122.5984237243. The cubic root of 4640688416 is about 1667.9926657871.

The spelling of 4640688416 in words is "four billion, six hundred forty million, six hundred eighty-eight thousand, four hundred sixteen".