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40444000340 = 2252022200017
BaseRepresentation
bin100101101010101001…
…100111100001010100
310212101121112002110112
4211222221213201110
51130312131002330
630325115142152
72631145221302
oct455251474124
9125347462415
1040444000340
1116174647077
127a08744958
133a7705b463
141d59547272
1510ba98c795
hex96aa67854

40444000340 has 12 divisors (see below), whose sum is σ = 84932400756. Its totient is φ = 16177600128.

The previous prime is 40444000313. The next prime is 40444000369. The reversal of 40444000340 is 4300044404.

It can be written as a sum of positive squares in 2 ways, for example, as 24252455824 + 16191544516 = 155732^2 + 127246^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011099989 + ... + 1011100028.

It is an arithmetic number, because the mean of its divisors is an integer number (7077700063).

Almost surely, 240444000340 is an apocalyptic number.

It is an amenable number.

40444000340 is an abundant number, since it is smaller than the sum of its proper divisors (44488400416).

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

40444000340 is a wasteful number, since it uses less digits than its factorization.

40444000340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022200026 (or 2022200024 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 40444000340 its reverse (4300044404), we get a palindrome (44744044744).

The spelling of 40444000340 in words is "forty billion, four hundred forty-four million, three hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 2022200017 4044400034 8088800068 10111000085 20222000170 40444000340