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440040042413231 = 13231471705827469
BaseRepresentation
bin110010000001101101100111…
…0011010100011110010101111
32010201001102021011001110222012
41210003123032122203302233
5430134104001324210411
64155515334343111435
7161454562315625531
oct14403331632436257
92121042234043865
10440040042413231
11118234a30138467
124142a85ba4257b
1315b6c7a08c7b50
147a940a1bb1851
1535d16b840e18b
hex19036ce6a3caf

440040042413231 has 8 divisors (see below), whose sum is σ = 494493158029920. Its totient is φ = 388530338451552.

The previous prime is 440040042413033. The next prime is 440040042413297. The reversal of 440040042413231 is 132314240040044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440040042413231 - 222 = 440040038218927 is a prime.

It is a super-2 number, since 2×4400400424132312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440040042433231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735852913436 + ... + 735852914033.

It is an arithmetic number, because the mean of its divisors is an integer number (61811644753740).

Almost surely, 2440040042413231 is an apocalyptic number.

440040042413231 is a deficient number, since it is larger than the sum of its proper divisors (54453115616689).

440040042413231 is a wasteful number, since it uses less digits than its factorization.

440040042413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471705827505.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 440040042413231 its reverse (132314240040044), we get a palindrome (572354282453275).

The spelling of 440040042413231 in words is "four hundred forty trillion, forty billion, forty-two million, four hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 13 23 299 1471705827469 19132175757097 33849234031787 440040042413231