4683644640 has 96 divisors (see below), whose sum is σ = 16392771360. Its totient is φ = 1248970752.

The previous prime is 4683644633. The next prime is 4683644657. The reversal of 4683644640 is 464463864.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×4683644640² = 43873054227601459200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537769 + ... + 546408.

It is an arithmetic number, because the mean of its divisors is an integer number (170758035).

Almost surely, 2^4683644640 is an apocalyptic number.

4683644640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4683644640 is an abundant number, since it is smaller than the sum of its proper divisors (11709126720).

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

4683644640 is a wasteful number, since it uses less digits than its factorization.

4683644640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084201 (or 1084187 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The square root of 4683644640 is about 68437.1583279142. The cubic root of 4683644640 is about 1673.1234217974.

The spelling of 4683644640 in words is "four billion, six hundred eighty-three million, six hundred forty-four thousand, six hundred forty".