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40525392757 is a prime number
BaseRepresentation
bin100101101111100000…
…000110101101110101
310212121021200020212111
4211233200012231311
51130444000032012
630341143451021
72633154104053
oct455740065565
9125537606774
1040525392757
1116206589433
127a2ba56a71
133a8ab88555
141d662931d3
1510c2bb8ba7
hex96f806b75

40525392757 has 2 divisors, whose sum is σ = 40525392758. Its totient is φ = 40525392756.

The previous prime is 40525392737. The next prime is 40525392811. The reversal of 40525392757 is 75729352504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23288591236 + 17236801521 = 152606^2 + 131289^2 .

It is a cyclic number.

It is not a de Polignac number, because 40525392757 - 27 = 40525392629 is a prime.

It is a super-2 number, since 2×405253927572 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40525392757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40525392737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262696378 + 20262696379.

It is an arithmetic number, because the mean of its divisors is an integer number (20262696379).

Almost surely, 240525392757 is an apocalyptic number.

It is an amenable number.

40525392757 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525392757 is an equidigital number, since it uses as much as digits as its factorization.

40525392757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 40525392757 in words is "forty billion, five hundred twenty-five million, three hundred ninety-two thousand, seven hundred fifty-seven".