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40038563 is a prime number
BaseRepresentation
bin1001100010111…
…1000010100011
32210100011120202
42120233002203
540222213223
63550055415
7664215335
oct230570243
983304522
1040038563
1120667624
12114aa56b
1383ab276
145463455
1537ad428
hex262f0a3

40038563 has 2 divisors, whose sum is σ = 40038564. Its totient is φ = 40038562.

The previous prime is 40038539. The next prime is 40038569. The reversal of 40038563 is 36583004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40038563 - 224 = 23261347 is a prime.

It is not a weakly prime, because it can be changed into another prime (40038569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20019281 + 20019282.

It is an arithmetic number, because the mean of its divisors is an integer number (20019282).

Almost surely, 240038563 is an apocalyptic number.

40038563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40038563 is an equidigital number, since it uses as much as digits as its factorization.

40038563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40038563 is about 6327.6032587387. The cubic root of 40038563 is about 342.1050570401.

The spelling of 40038563 in words is "forty million, thirty-eight thousand, five hundred sixty-three".