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40444202043 = 3371931108759
BaseRepresentation
bin100101101010101010…
…011000110000111011
310212101121220100011000
4211222222120300323
51130312203431133
630325123340043
72631150021330
oct455252306073
9125347810130
1040444202043
1116174774673
127a08821623
133a770cc1cb
141d5959a987
1510ba9cc413
hex96aa98c3b

40444202043 has 32 divisors (see below), whose sum is σ = 68831820800. Its totient is φ = 22991205888.

The previous prime is 40444202011. The next prime is 40444202063. The reversal of 40444202043 is 34020244404.

It is a happy number.

40444202043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40444202043 - 25 = 40444202011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40444201998 and 40444202016.

It is not an unprimeable number, because it can be changed into a prime (40444202063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517903 + ... + 590856.

It is an arithmetic number, because the mean of its divisors is an integer number (2150994400).

Almost surely, 240444202043 is an apocalyptic number.

40444202043 is a deficient number, since it is larger than the sum of its proper divisors (28387618757).

40444202043 is a wasteful number, since it uses less digits than its factorization.

40444202043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108968 (or 1108962 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 40444202043 its reverse (34020244404), we get a palindrome (74464446447).

The spelling of 40444202043 in words is "forty billion, four hundred forty-four million, two hundred two thousand, forty-three".

Divisors: 1 3 7 9 21 27 63 189 193 579 1351 1737 4053 5211 12159 36477 1108759 3326277 7761313 9978831 23283939 29936493 69851817 209555451 213990487 641971461 1497933409 1925914383 4493800227 5777743149 13481400681 40444202043