4599440640 has 216 divisors, whose sum is σ = 16606437120. Its totient is φ = 1173123072.

The previous prime is 4599440609. The next prime is 4599440641. The reversal of 4599440640 is 460449954.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4599440641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256281 + ... + 273639.

Almost surely, 2^4599440640 is an apocalyptic number.

4599440640 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 4599440640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8303218560).

4599440640 is an abundant number, since it is smaller than the sum of its proper divisors (12006996480).

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

4599440640 is a wasteful number, since it uses less digits than its factorization.

4599440640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409 (or 17392 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 4599440640 is about 67819.1760492562. The cubic root of 4599440640 is about 1663.0360849797.

The spelling of 4599440640 in words is "four billion, five hundred ninety-nine million, four hundred forty thousand, six hundred forty".