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40144005220441 = 976720747198109
BaseRepresentation
bin10010010000010110000010…
…01010111100100001011001
312021010201200202011011121111
421020023001022330201121
520230204410314023231
6221213522411540321
711312210605161403
oct1110130112744131
9167121622134544
1040144005220441
1111877a82438651
12460421615a6a1
131952742b88385
149cada1a19b73
154993873954b1
hex2482c12bc859

40144005220441 has 8 divisors (see below), whose sum is σ = 40150253183040. Its totient is φ = 40137757715088.

The previous prime is 40144005220433. The next prime is 40144005220493. The reversal of 40144005220441 is 14402250044104.

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 40144005220441 - 23 = 40144005220433 is a prime.

It is a super-2 number, since 2×401440052204412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40144005220421) 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, 202536895 + ... + 202735003.

It is an arithmetic number, because the mean of its divisors is an integer number (5018781647880).

Almost surely, 240144005220441 is an apocalyptic number.

It is an amenable number.

40144005220441 is a deficient number, since it is larger than the sum of its proper divisors (6247962599).

40144005220441 is a wasteful number, since it uses less digits than its factorization.

40144005220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228623.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 40144005220441 its reverse (14402250044104), we get a palindrome (54546255264545).

The spelling of 40144005220441 in words is "forty trillion, one hundred forty-four billion, five million, two hundred twenty thousand, four hundred forty-one".

Divisors: 1 9767 20747 198109 202635949 1934930603 4110167423 40144005220441