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40881276757 is a prime number
BaseRepresentation
bin100110000100101101…
…101100011101010101
310220112002100000221101
4212010231230131111
51132211101324012
630440335350101
72645035055536
oct460455543525
9126462300841
1040881276757
1116379462342
127b0b082331
133b168219b9
141d9b65268d
1510e4065d57
hex984b6c755

40881276757 has 2 divisors, whose sum is σ = 40881276758. Its totient is φ = 40881276756.

The previous prime is 40881276743. The next prime is 40881276763. The reversal of 40881276757 is 75767218804.

40881276757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40092453361 + 788823396 = 200231^2 + 28086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40881276757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40881276698 and 40881276707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40881276157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20440638378 + 20440638379.

It is an arithmetic number, because the mean of its divisors is an integer number (20440638379).

Almost surely, 240881276757 is an apocalyptic number.

It is an amenable number.

40881276757 is a deficient number, since it is larger than the sum of its proper divisors (1).

40881276757 is an equidigital number, since it uses as much as digits as its factorization.

40881276757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 40881276757 in words is "forty billion, eight hundred eighty-one million, two hundred seventy-six thousand, seven hundred fifty-seven".