Search a number
-
+
1440352590419 = 6773893308881
BaseRepresentation
bin10100111101011011101…
…101000101101001010011
312002200210122111210002202
4110331123231011221103
5142044320230343134
63021404442433415
7206030165004161
oct24753355055123
95080718453082
101440352590419
1150593953a776
121b319720286b
13a5a94a3b702
144d9db95a231
1527700a92d7e
hex14f5bb45a53

1440352590419 has 16 divisors (see below), whose sum is σ = 1498526480160. Its totient is φ = 1383694202880.

The previous prime is 1440352590401. The next prime is 1440352590451. The reversal of 1440352590419 is 9140952530441.

It is a cyclic number.

It is not a de Polignac number, because 1440352590419 - 28 = 1440352590163 is a prime.

It is a super-2 number, since 2×14403525904192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440352590119) 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 15 ways as a sum of consecutive naturals, for example, 1219142 + ... + 2089739.

It is an arithmetic number, because the mean of its divisors is an integer number (93657905010).

Almost surely, 21440352590419 is an apocalyptic number.

1440352590419 is a deficient number, since it is larger than the sum of its proper divisors (58173889741).

1440352590419 is an equidigital number, since it uses as much as digits as its factorization.

1440352590419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309110.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1440352590419 in words is "one trillion, four hundred forty billion, three hundred fifty-two million, five hundred ninety thousand, four hundred nineteen".

Divisors: 1 67 73 89 4891 5963 6497 435299 3308881 221695027 241548313 294490409 16183736971 19730857403 21497799857 1440352590419