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4040080 = 245114591
BaseRepresentation
bin1111011010010110010000
321121020221121
433122112100
52013240310
6222332024
746224442
oct17322620
97536847
104040080
11230a410
12142a014
13ab5ba5
14772492
1554c0da
hex3da590

4040080 has 40 divisors (see below), whose sum is σ = 10249344. Its totient is φ = 1468800.

The previous prime is 4040059. The next prime is 4040083. The reversal of 4040080 is 800404.

4040080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4040083) 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 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 3175.

Almost surely, 24040080 is an apocalyptic number.

4040080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040080 is an abundant number, since it is smaller than the sum of its proper divisors (6209264).

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

4040080 is a wasteful number, since it uses less digits than its factorization.

4040080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4040080 is about 2009.9950248695. The cubic root of 4040080 is about 159.2685360994.

Adding to 4040080 its reverse (800404), we get a palindrome (4840484).

The spelling of 4040080 in words is "four million, forty thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 4591 9182 18364 22955 36728 45910 50501 73456 91820 101002 183640 202004 252505 367280 404008 505010 808016 1010020 2020040 4040080