4041520 has 60 divisors (see below), whose sum is σ = 10941264. Its totient is φ = 1384320.

The previous prime is 4041517. The next prime is 4041539. The reversal of 4041520 is 251404.

4041520 is digitally balanced in base 8, 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 (16).

4041520 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 4041494 and 4041503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405 + ... + 4435.

Almost surely, 2^4041520 is an apocalyptic number.

4041520 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 4041520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5470632).

4041520 is an abundant number, since it is smaller than the sum of its proper divisors (6899744).

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

4041520 is a wasteful number, since it uses less digits than its factorization.

4041520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4041520 is about 2010.3532027980. The cubic root of 4041520 is about 159.2874564713.

Adding to 4041520 its reverse (251404), we get a palindrome (4292924).

The spelling of 4041520 in words is "four million, forty-one thousand, five hundred twenty".