4640532480 has 288 divisors, whose sum is σ = 16471334880. Its totient is φ = 1207664640.

The previous prime is 4640532473. The next prime is 4640532499. The reversal of 4640532480 is 842350464.

4640532480 is a `hidden beast` number, since 4 + 6 + 40 + 532 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3962295 + ... + 3963465.

It is an arithmetic number, because the mean of its divisors is an integer number (57192135).

Almost surely, 2^4640532480 is an apocalyptic number.

4640532480 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 4640532480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8235667440).

4640532480 is an abundant number, since it is smaller than the sum of its proper divisors (11830802400).

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

4640532480 is a wasteful number, since it uses less digits than its factorization.

4640532480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 4640532480 is about 68121.4538893585. The cubic root of 4640532480 is about 1667.9739829974.

The spelling of 4640532480 in words is "four billion, six hundred forty million, five hundred thirty-two thousand, four hundred eighty".