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2044353040 = 24525554413
BaseRepresentation
bin111100111011010…
…0101101000010000
312021110210220011021
41321312211220100
513141323244130
6534505325224
7101442466642
oct17166455020
95243726137
102044353040
11959a90774
12490796814
13267706372
14155722892
15be72437a
hex79da5a10

2044353040 has 20 divisors (see below), whose sum is σ = 4753121004. Its totient is φ = 817741184.

The previous prime is 2044353011. The next prime is 2044353043. The reversal of 2044353040 is 403534402.

It can be written as a sum of positive squares in 2 ways, for example, as 208744704 + 1835608336 = 14448^2 + 42844^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2044352996 and 2044353014.

It is not an unprimeable number, because it can be changed into a prime (2044353043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12777127 + ... + 12777286.

Almost surely, 22044353040 is an apocalyptic number.

2044353040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044353040 is an abundant number, since it is smaller than the sum of its proper divisors (2708767964).

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

2044353040 is a wasteful number, since it uses less digits than its factorization.

2044353040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25554426 (or 25554420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2044353040 is about 45214.5224457806. The cubic root of 2044353040 is about 1269.1665931508.

Adding to 2044353040 its reverse (403534402), we get a palindrome (2447887442).

The spelling of 2044353040 in words is "two billion, forty-four million, three hundred fifty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25554413 51108826 102217652 127772065 204435304 255544130 408870608 511088260 1022176520 2044353040