Search a number
-
+
40444440444000 = 2532531766085687
BaseRepresentation
bin10010011001000101101001…
…00000010111110001100000
312022012110011121000211211200
421030202310200113301200
520300120203223202000
6222003530333241200
711343004636351305
oct1114426440276140
9168173147024750
1040444440444000
111198343327883a
1246524a1333200
131974b81c0bcc8
149db7428910ac
154a20bcd74500
hex24c8b4817c60

40444440444000 has 288 divisors, whose sum is σ = 151980693149376. Its totient is φ = 10150761369600.

The previous prime is 40444440443941. The next prime is 40444440444029. The reversal of 40444440444000 is 44404444404.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32430844 + ... + 33654843.

It is an arithmetic number, because the mean of its divisors is an integer number (527710740102).

Almost surely, 240444440444000 is an apocalyptic number.

40444440444000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444440444000 is an abundant number, since it is smaller than the sum of its proper divisors (111536252705376).

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

40444440444000 is a wasteful number, since it uses less digits than its factorization.

40444440444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66085735 (or 66085714 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 40444440444000 its reverse (44404444404), we get a palindrome (40488844888404).

The spelling of 40444440444000 in words is "forty trillion, four hundred forty-four billion, four hundred forty million, four hundred forty-four thousand".