4645387320 has 128 divisors (see below), whose sum is σ = 15940592640. Its totient is φ = 1060899840.

The previous prime is 4645387319. The next prime is 4645387379. The reversal of 4645387320 is 237835464.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1940044 + ... + 1942436.

It is an arithmetic number, because the mean of its divisors is an integer number (124535880).

Almost surely, 2^4645387320 is an apocalyptic number.

4645387320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4645387320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7970296320).

4645387320 is an abundant number, since it is smaller than the sum of its proper divisors (11295205320).

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

4645387320 is a wasteful number, since it uses less digits than its factorization.

4645387320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725 (or 4721 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 4645387320 is about 68157.0782824499. The cubic root of 4645387320 is about 1668.5554482051. Note that the first 3 decimals are identical.

The spelling of 4645387320 in words is "four billion, six hundred forty-five million, three hundred eighty-seven thousand, three hundred twenty".