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40249162357 is a prime number
BaseRepresentation
bin100101011111000010…
…010111101001110101
310211220000220021222221
4211133002113221311
51124412241143412
630253515122341
72623261143445
oct453702275165
9124800807887
1040249162357
111608466a448
1279734433b1
133a45890901
141d3b70a125
1510a8802b07
hex95f097a75

40249162357 has 2 divisors, whose sum is σ = 40249162358. Its totient is φ = 40249162356.

The previous prime is 40249162351. The next prime is 40249162417. The reversal of 40249162357 is 75326194204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22521305041 + 17727857316 = 150071^2 + 133146^2 .

It is a cyclic number.

It is not a de Polignac number, because 40249162357 - 27 = 40249162229 is a prime.

It is a super-3 number, since 3×402491623573 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40249162351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20124581178 + 20124581179.

It is an arithmetic number, because the mean of its divisors is an integer number (20124581179).

Almost surely, 240249162357 is an apocalyptic number.

It is an amenable number.

40249162357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40249162357 is an equidigital number, since it uses as much as digits as its factorization.

40249162357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 40249162357 in words is "forty billion, two hundred forty-nine million, one hundred sixty-two thousand, three hundred fifty-seven".