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1440137014 = 217371144783
BaseRepresentation
bin101010111010110…
…1011111100110110
310201100212112120221
41111311223330312
510422133341024
6354523044554
750454651121
oct12565537466
93640775527
101440137014
11679a13288
1234237075a
1319c4927a4
14d939d3b8
15866723e4
hex55d6bf36

1440137014 has 16 divisors (see below), whose sum is σ = 2349096768. Its totient is φ = 659394432.

The previous prime is 1440137009. The next prime is 1440137021. The reversal of 1440137014 is 4107310441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440137014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571134 + ... + 573649.

It is an arithmetic number, because the mean of its divisors is an integer number (146818548).

Almost surely, 21440137014 is an apocalyptic number.

1440137014 is a deficient number, since it is larger than the sum of its proper divisors (908959754).

1440137014 is a wasteful number, since it uses less digits than its factorization.

1440137014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144839.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1440137014 is about 37949.1371970431. The cubic root of 1440137014 is about 1129.2790488298.

Adding to 1440137014 its reverse (4107310441), we get a palindrome (5547447455).

It can be divided in two parts, 14401 and 37014, that added together give a palindrome (51415).

The spelling of 1440137014 in words is "one billion, four hundred forty million, one hundred thirty-seven thousand, fourteen".

Divisors: 1 2 17 34 37 74 629 1258 1144783 2289566 19461311 38922622 42356971 84713942 720068507 1440137014