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40142443041 = 3237434216659
BaseRepresentation
bin100101011000101011…
…010001001000100001
310211121121002101121200
4211120223101020201
51124202431134131
630235143511413
72620524064431
oct453053211041
9124547071550
1040142443041
111602a3a9668
127943758569
133a2973689c
141d2b48a2c1
15109e2722e6
hex958ad1221

40142443041 has 48 divisors (see below), whose sum is σ = 61089462720. Its totient is φ = 25368577920.

The previous prime is 40142443037. The next prime is 40142443093. The reversal of 40142443041 is 14034424104.

40142443041 is a `hidden beast` number, since 40 + 142 + 443 + 0 + 41 = 666.

It is not a de Polignac number, because 40142443041 - 22 = 40142443037 is a prime.

It is a super-2 number, since 2×401424430412 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40142442996 and 40142443014.

It is not an unprimeable number, because it can be changed into a prime (40142443001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6024970 + ... + 6031628.

It is an arithmetic number, because the mean of its divisors is an integer number (1272697140).

Almost surely, 240142443041 is an apocalyptic number.

It is an amenable number.

40142443041 is a deficient number, since it is larger than the sum of its proper divisors (20947019679).

40142443041 is a wasteful number, since it uses less digits than its factorization.

40142443041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166 (or 7163 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40142443041 its reverse (14034424104), we get a palindrome (54176867145).

The spelling of 40142443041 in words is "forty billion, one hundred forty-two million, four hundred forty-three thousand, forty-one".

Divisors: 1 3 9 37 43 111 129 333 387 421 1263 1591 3789 4773 6659 14319 15577 18103 19977 46731 54309 59931 140193 162927 246383 286337 669811 739149 859011 2009433 2217447 2577033 2803439 6028299 8410317 10594469 25230951 31783407 95350221 103727243 120547877 311181729 361643631 933545187 1084930893 4460271449 13380814347 40142443041