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4440408040397 = 72891636779227
BaseRepresentation
bin100000010011101110011…
…1100011010001111001101
3120201111110200010012121202
41000213130330122033031
51040222423424243042
613235521214435245
7635544310405100
oct100473474321715
916644420105552
104440408040397
11146219163987a
125b86b7802b25
13262961bb4544
14114cb9d68737
157a78a0db632
hex409dcf1a3cd

4440408040397 has 48 divisors (see below), whose sum is σ = 5263789250880. Its totient is φ = 3734282103552.

The previous prime is 4440408040363. The next prime is 4440408040421. The reversal of 4440408040397 is 7930408040444.

It is not a de Polignac number, because 4440408040397 - 210 = 4440408039373 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 (4440408040307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 481236098 + ... + 481245324.

It is an arithmetic number, because the mean of its divisors is an integer number (109662276060).

Almost surely, 24440408040397 is an apocalyptic number.

It is an amenable number.

4440408040397 is a deficient number, since it is larger than the sum of its proper divisors (823381210483).

4440408040397 is a wasteful number, since it uses less digits than its factorization.

4440408040397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170 (or 10163 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 47.

Adding to 4440408040397 its sum of digits (47), we get a palindrome (4440408040444).

The spelling of 4440408040397 in words is "four trillion, four hundred forty billion, four hundred eight million, forty thousand, three hundred ninety-seven".

Divisors: 1 7 49 89 163 623 677 1141 4361 4739 7987 9227 14507 33173 60253 64589 101549 110351 421771 452123 710843 772457 821203 1504001 2952397 5407199 5748421 6246679 9821239 10528007 40238947 43726753 68748673 73696049 133856089 306087271 481240711 555954431 936992623 1018208677 3891681017 6558948361 7127460739 27241767119 49892225173 90620572253 634344005771 4440408040397