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40142422441 = 1153191360497
BaseRepresentation
bin100101011000101011…
…001100000110101001
310211121121001100100201
4211120223030012221
51124202430004231
630235143232201
72620523650402
oct453053140651
9124547040321
1040142422441
111602a395140
127943748661
133a2972a3b4
141d2b4829a9
15109e26b161
hex958acc1a9

40142422441 has 16 divisors (see below), whose sum is σ = 44851719168. Its totient is φ = 35617004800.

The previous prime is 40142422403. The next prime is 40142422451. The reversal of 40142422441 is 14422424104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40142422441 - 227 = 40008204713 is a prime.

It is a super-2 number, since 2×401424224412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40142422451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68896 + ... + 291601.

It is an arithmetic number, because the mean of its divisors is an integer number (2803232448).

Almost surely, 240142422441 is an apocalyptic number.

It is an amenable number.

40142422441 is a deficient number, since it is larger than the sum of its proper divisors (4709296727).

40142422441 is a wasteful number, since it uses less digits than its factorization.

40142422441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360752.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40142422441 its reverse (14422424104), we get a palindrome (54564846545).

The spelling of 40142422441 in words is "forty billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 11 53 191 583 2101 10123 111353 360497 3965467 19106341 68854927 210169751 757404197 3649311131 40142422441