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4440240434431 = 31611323430977
BaseRepresentation
bin100000010011101001011…
…1101000010110011111111
3120201111000222201221110101
41000213102331002303333
51040222103022400211
613235452430221531
7635540203650004
oct100472275026377
916644028657411
104440240434431
111462105a71a4a
125b866b6548a7
1326293625cb09
14114ca19b98ab
157a77a5305c1
hex409d2f42cff

4440240434431 has 8 divisors (see below), whose sum is σ = 4584223983744. Its totient is φ = 4296303759360.

The previous prime is 4440240434429. The next prime is 4440240434489. The reversal of 4440240434431 is 1344340420444.

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 4440240434431 - 21 = 4440240434429 is a prime.

It is a super-2 number, since 2×44402404344312 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440240434131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11525986 + ... + 11904991.

It is an arithmetic number, because the mean of its divisors is an integer number (573027997968).

Almost surely, 24440240434431 is an apocalyptic number.

4440240434431 is a deficient number, since it is larger than the sum of its proper divisors (143983549313).

4440240434431 is a wasteful number, since it uses less digits than its factorization.

4440240434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23437121.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 4440240434431 its reverse (1344340420444), we get a palindrome (5784580854875).

The spelling of 4440240434431 in words is "four trillion, four hundred forty billion, two hundred forty million, four hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 31 6113 189503 23430977 726360287 143233562401 4440240434431