4538040 has 64 divisors (see below), whose sum is σ = 14666400. Its totient is φ = 1116672.

The previous prime is 4538033. The next prime is 4538041. The reversal of 4538040 is 408354.

It is a happy number.

4538040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4538040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106 + ... + 3014.

Almost surely, 2^4538040 is an apocalyptic number.

4538040 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 4538040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7333200).

4538040 is an abundant number, since it is smaller than the sum of its proper divisors (10128360).

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

4538040 is a wasteful number, since it uses less digits than its factorization.

4538040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4538040 is about 2130.2675888254. The cubic root of 4538040 is about 165.5602625837.

The spelling of 4538040 in words is "four million, five hundred thirty-eight thousand, forty".