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1440132014 = 22149933493
BaseRepresentation
bin101010111010110…
…1010101110101110
310201100212021201202
41111311222232232
510422133211024
6354523005502
750454630416
oct12565525656
93640767652
101440132014
11679a0a552
12342369892
1319c490429
14d939b646
1586670bae
hex55d6abae

1440132014 has 8 divisors (see below), whose sum is σ = 2160363000. Its totient is φ = 720011016.

The previous prime is 1440132007. The next prime is 1440132017. The reversal of 1440132014 is 4102310441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440132017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26252 + ... + 59744.

It is an arithmetic number, because the mean of its divisors is an integer number (270045375).

Almost surely, 21440132014 is an apocalyptic number.

1440132014 is a deficient number, since it is larger than the sum of its proper divisors (720230986).

1440132014 is a wasteful number, since it uses less digits than its factorization.

1440132014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54994.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440132014 is about 37949.0713193353. The cubic root of 1440132014 is about 1129.2777419167.

Adding to 1440132014 its reverse (4102310441), we get a palindrome (5542442455).

The spelling of 1440132014 in words is "one billion, four hundred forty million, one hundred thirty-two thousand, fourteen".

Divisors: 1 2 21499 33493 42998 66986 720066007 1440132014