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440042340193 is a prime number
BaseRepresentation
bin1100110011101001001…
…00010011111101100001
31120001211022022000022121
412121310210103331201
524202201314341233
6534052550304241
743535442114421
oct6316444237541
91501738260277
10440042340193
1115a69147a235
1271349358081
133265a3c6671
1417426232481
15b6a6e9592d
hex6674913f61

440042340193 has 2 divisors, whose sum is σ = 440042340194. Its totient is φ = 440042340192.

The previous prime is 440042340167. The next prime is 440042340233. The reversal of 440042340193 is 391043240044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432874516624 + 7167823569 = 657932^2 + 84663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-440042340193 is a prime.

It is a super-2 number, since 2×4400423401932 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440042346193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220021170096 + 220021170097.

It is an arithmetic number, because the mean of its divisors is an integer number (220021170097).

Almost surely, 2440042340193 is an apocalyptic number.

It is an amenable number.

440042340193 is a deficient number, since it is larger than the sum of its proper divisors (1).

440042340193 is an equidigital number, since it uses as much as digits as its factorization.

440042340193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 440042340193 in words is "four hundred forty billion, forty-two million, three hundred forty thousand, one hundred ninety-three".