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40040141441 = 47851917903
BaseRepresentation
bin100101010010100101…
…000001001010000001
310211100110120221012112
4211102211001022001
51124000234011231
630221051105105
72615142405146
oct452245011201
9124313527175
1040040141441
1115a87685993
127915442195
133a114985b1
141d1ba5a3cd
1510952b592b
hex952941281

40040141441 has 4 divisors (see below), whose sum is σ = 40892059392. Its totient is φ = 39188223492.

The previous prime is 40040141413. The next prime is 40040141443. The reversal of 40040141441 is 14414104004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40040141441 - 26 = 40040141377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040141443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425958905 + ... + 425958998.

It is an arithmetic number, because the mean of its divisors is an integer number (10223014848).

Almost surely, 240040141441 is an apocalyptic number.

It is an amenable number.

40040141441 is a deficient number, since it is larger than the sum of its proper divisors (851917951).

40040141441 is an equidigital number, since it uses as much as digits as its factorization.

40040141441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851917950.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 40040141441 its reverse (14414104004), we get a palindrome (54454245445).

The spelling of 40040141441 in words is "forty billion, forty million, one hundred forty-one thousand, four hundred forty-one".

Divisors: 1 47 851917903 40040141441