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40342441 is a prime number
BaseRepresentation
bin1001100111100…
…1001110101001
32210220121102111
42121321032221
540311424231
64000402321
7666622306
oct231711651
983817374
1040342441
1120854967
12116163a1
138486689
1455020ad
15381d4b1
hex26793a9

40342441 has 2 divisors, whose sum is σ = 40342442. Its totient is φ = 40342440.

The previous prime is 40342433. The next prime is 40342481. The reversal of 40342441 is 14424304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 17264025 = 4804^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 40342441 - 23 = 40342433 is a prime.

It is not a weakly prime, because it can be changed into another prime (40342481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171220 + 20171221.

It is an arithmetic number, because the mean of its divisors is an integer number (20171221).

Almost surely, 240342441 is an apocalyptic number.

It is an amenable number.

40342441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40342441 is an equidigital number, since it uses as much as digits as its factorization.

40342441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40342441 is about 6351.5699634027. The cubic root of 40342441 is about 342.9683606036.

Adding to 40342441 its reverse (14424304), we get a palindrome (54766745).

The spelling of 40342441 in words is "forty million, three hundred forty-two thousand, four hundred forty-one".