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1340441256 = 2337311113131
BaseRepresentation
bin100111111100101…
…1000001010101000
310110102021110201110
41033321120022220
510221123110011
6341002150320
745134364000
oct11771301250
93412243643
101340441256
1162870a3a0
12314ab23a0
1318492760b
14ca04b000
157ca2cba6
hex4fe582a8

1340441256 has 256 divisors, whose sum is σ = 4333824000. Its totient is φ = 342451200.

The previous prime is 1340441251. The next prime is 1340441261. The reversal of 1340441256 is 6521440431.

It is an interprime number because it is at equal distance from previous prime (1340441251) and next prime (1340441261).

It is not an unprimeable number, because it can be changed into a prime (1340441251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10232311 + ... + 10232441.

It is an arithmetic number, because the mean of its divisors is an integer number (16929000).

Almost surely, 21340441256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340441256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166912000).

1340441256 is an abundant number, since it is smaller than the sum of its proper divisors (2993382744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340441256 is a wasteful number, since it uses less digits than its factorization.

1340441256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1340441256 is about 36612.0370370183. The cubic root of 1340441256 is about 1102.5947713946.

Adding to 1340441256 its reverse (6521440431), we get a palindrome (7861881687).

The spelling of 1340441256 in words is "one billion, three hundred forty million, four hundred forty-one thousand, two hundred fifty-six".