Search a number
-
+
440040804 = 22375238581
BaseRepresentation
bin11010001110100…
…111110101100100
31010200000101111120
4122032213311210
51400122301204
6111355333540
713622166540
oct3216476544
91120011446
10440040804
11206434195
121034512b0
1370220898
1442628a20
15289726d9
hex1a3a7d64

440040804 has 24 divisors (see below), whose sum is σ = 1173442368. Its totient is φ = 125725920.

The previous prime is 440040803. The next prime is 440040841. The reversal of 440040804 is 408040044.

It is not an unprimeable number, because it can be changed into a prime (440040803) 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, 2619207 + ... + 2619374.

It is an arithmetic number, because the mean of its divisors is an integer number (48893432).

Almost surely, 2440040804 is an apocalyptic number.

It is an amenable number.

440040804 is an abundant number, since it is smaller than the sum of its proper divisors (733401564).

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

440040804 is a wasteful number, since it uses less digits than its factorization.

440040804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238595 (or 5238593 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 440040804 is about 20977.1495680419. The cubic root of 440040804 is about 760.6140028910.

Adding to 440040804 its reverse (408040044), we get a palindrome (848080848).

The spelling of 440040804 in words is "four hundred forty million, forty thousand, eight hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 5238581 10477162 15715743 20954324 31431486 36670067 62862972 73340134 110010201 146680268 220020402 440040804