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2044440424420 = 225102222021221
BaseRepresentation
bin11101110000000010001…
…001010010111111100100
321020110001120100022122021
4131300002021102333210
5231444003222040140
64203111501312524
7300464065610452
oct35600211227744
97213046308567
102044440424420
11719051359479
12290286b65744
1311aa365616b4
1470d46a999d2
15382a9735b4a
hex1dc02252fe4

2044440424420 has 12 divisors (see below), whose sum is σ = 4293324891324. Its totient is φ = 817776169760.

The previous prime is 2044440424417. The next prime is 2044440424483. The reversal of 2044440424420 is 244240444402.

It can be written as a sum of positive squares in 2 ways, for example, as 251739013696 + 1792701410724 = 501736^2 + 1338918^2 .

It is a super-4 number, since 4×20444404244204 (a number of 50 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51111010591 + ... + 51111010630.

It is an arithmetic number, because the mean of its divisors is an integer number (357777074277).

Almost surely, 22044440424420 is an apocalyptic number.

2044440424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044440424420 is an abundant number, since it is smaller than the sum of its proper divisors (2248884466904).

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

2044440424420 is a wasteful number, since it uses less digits than its factorization.

2044440424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102222021230 (or 102222021228 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2044440424420 its reverse (244240444402), we get a palindrome (2288680868822).

The spelling of 2044440424420 in words is "two trillion, forty-four billion, four hundred forty million, four hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 102222021221 204444042442 408888084884 511110106105 1022220212210 2044440424420