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440245140044 = 22131840162481
BaseRepresentation
bin1100110100000001010…
…01111011101001001100
31120002100102220022102012
412122000221323221030
524203110223440134
6534125033120352
743543453642553
oct6320051735114
91502312808365
10440245140044
1115a7859a4816
12713a52590b8
1332690421188
1417445142d9a
15b6b9ba46ce
hex6680a7ba4c

440245140044 has 12 divisors (see below), whose sum is σ = 776310133368. Its totient is φ = 218442244800.

The previous prime is 440245140037. The next prime is 440245140077. The reversal of 440245140044 is 440041542044.

It is a super-2 number, since 2×4402451400442 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420080717 + ... + 420081764.

It is an arithmetic number, because the mean of its divisors is an integer number (64692511114).

Almost surely, 2440245140044 is an apocalyptic number.

It is an amenable number.

440245140044 is a deficient number, since it is larger than the sum of its proper divisors (336064993324).

440245140044 is a wasteful number, since it uses less digits than its factorization.

440245140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840162616 (or 840162614 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 440245140044 its reverse (440041542044), we get a palindrome (880286682088).

The spelling of 440245140044 in words is "four hundred forty billion, two hundred forty-five million, one hundred forty thousand, forty-four".

Divisors: 1 2 4 131 262 524 840162481 1680324962 3360649924 110061285011 220122570022 440245140044