Search a number
-
+
2044404440 = 235133931547
BaseRepresentation
bin111100111011011…
…0010001011011000
312021110220111122222
41321312302023120
513141331420230
6534510403212
7101443102541
oct17166621330
95243814588
102044404440
1195a016351
12490800508
13267723890
141557374c8
15be7346e5
hex79db22d8

2044404440 has 32 divisors (see below), whose sum is σ = 4953750480. Its totient is φ = 754856832.

The previous prime is 2044404413. The next prime is 2044404469. The reversal of 2044404440 is 444044402.

It is a happy number.

2044404440 is digitally balanced in base 6, 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 (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965254 + ... + 1966293.

Almost surely, 22044404440 is an apocalyptic number.

2044404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044404440 is an abundant number, since it is smaller than the sum of its proper divisors (2909346040).

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

2044404440 is a wasteful number, since it uses less digits than its factorization.

2044404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931571 (or 3931567 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2044404440 is about 45215.0908436553. The cubic root of 2044404440 is about 1269.1772297050.

Adding to 2044404440 its reverse (444044402), we get a palindrome (2488448842).

The spelling of 2044404440 in words is "two billion, forty-four million, four hundred four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 3931547 7863094 15726188 19657735 31452376 39315470 51110111 78630940 102220222 157261880 204440444 255550555 408880888 511101110 1022202220 2044404440