4359728640 has 80 divisors (see below), whose sum is σ = 13937532048. Its totient is φ = 1162592256.

The previous prime is 4359728629. The next prime is 4359728647. The reversal of 4359728640 is 468279534.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4359728640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4359728647) 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, 276157 + ... + 291516.

Almost surely, 2^4359728640 is an apocalyptic number.

4359728640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4359728640 is an abundant number, since it is smaller than the sum of its proper divisors (9577803408).

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

4359728640 is an equidigital number, since it uses as much as digits as its factorization.

4359728640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567699 (or 567683 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 4359728640 is about 66028.2412305522. The cubic root of 4359728640 is about 1633.6279411194.

The spelling of 4359728640 in words is "four billion, three hundred fifty-nine million, seven hundred twenty-eight thousand, six hundred forty".