4640080 has 40 divisors (see below), whose sum is σ = 11142144. Its totient is φ = 1795200.

The previous prime is 4640057. The next prime is 4640081. The reversal of 4640080 is 800464.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640081) 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, 1545 + ... + 3415.

Almost surely, 2^4640080 is an apocalyptic number.

4640080 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 4640080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5571072).

4640080 is an abundant number, since it is smaller than the sum of its proper divisors (6502064).

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

4640080 is a wasteful number, since it uses less digits than its factorization.

4640080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4640080 is about 2154.0844923076. The cubic root of 4640080 is about 166.7919768716.

The spelling of 4640080 in words is "four million, six hundred forty thousand, eighty".