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40042220413 = 1310728786643
BaseRepresentation
bin100101010010101100…
…111100101101111101
310211100121111120000111
4211102230330231331
51124001302023123
630221203430021
72615166154246
oct452254745575
9124317446014
1040042220413
1115a88875948
127916085311
133a11a45960
141d1c03bccd
15109557690d
hex952b3cb7d

40042220413 has 8 divisors (see below), whose sum is σ = 43525405728. Its totient is φ = 36616608624.

The previous prime is 40042220411. The next prime is 40042220419. The reversal of 40042220413 is 31402224004.

It is a happy number.

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 40042220413 - 21 = 40042220411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042220411) 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, 14391931 + ... + 14394712.

It is an arithmetic number, because the mean of its divisors is an integer number (5440675716).

Almost surely, 240042220413 is an apocalyptic number.

It is an amenable number.

40042220413 is a deficient number, since it is larger than the sum of its proper divisors (3483185315).

40042220413 is a wasteful number, since it uses less digits than its factorization.

40042220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28786763.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40042220413 its reverse (31402224004), we get a palindrome (71444444417).

The spelling of 40042220413 in words is "forty billion, forty-two million, two hundred twenty thousand, four hundred thirteen".

Divisors: 1 13 107 1391 28786643 374226359 3080170801 40042220413