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44402131000 = 2353109407359
BaseRepresentation
bin101001010110100100…
…101100000000111000
311020121110102221222101
4221112210230000320
51211413421143000
632221551433144
73131216612653
oct512644540070
9136543387871
1044402131000
1117915933237
1287322257b4
1342580b04c6
1422130bc89a
15124d1e1e6a
hexa5692c038

44402131000 has 64 divisors (see below), whose sum is σ = 104854464000. Its totient is φ = 17597865600.

The previous prime is 44402130979. The next prime is 44402131027. The reversal of 44402131000 is 13120444.

It is a super-2 number, since 2×444021310002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94680 + ... + 312679.

It is an arithmetic number, because the mean of its divisors is an integer number (1638351000).

Almost surely, 244402131000 is an apocalyptic number.

44402131000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44402131000 is an abundant number, since it is smaller than the sum of its proper divisors (60452333000).

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

44402131000 is a wasteful number, since it uses less digits than its factorization.

44402131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407489 (or 407475 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 44402131000 its reverse (13120444), we get a palindrome (44415251444).

The spelling of 44402131000 in words is "forty-four billion, four hundred two million, one hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 109 125 200 218 250 436 500 545 872 1000 1090 2180 2725 4360 5450 10900 13625 21800 27250 54500 109000 407359 814718 1629436 2036795 3258872 4073590 8147180 10183975 16294360 20367950 40735900 44402131 50919875 81471800 88804262 101839750 177608524 203679500 222010655 355217048 407359000 444021310 888042620 1110053275 1776085240 2220106550 4440213100 5550266375 8880426200 11100532750 22201065500 44402131000