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40376390437 is a prime number
BaseRepresentation
bin100101100110100111…
…101101001100100101
310212012220022011010001
4211212213231030211
51130142323443222
630314302101301
72626364441005
oct454647551445
9125186264101
1040376390437
111613a468819
1279a9b7a831
133a660487b6
141d50588005
1510b4a84e27
hex9669ed325

40376390437 has 2 divisors, whose sum is σ = 40376390438. Its totient is φ = 40376390436.

The previous prime is 40376390393. The next prime is 40376390443. The reversal of 40376390437 is 73409367304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31884030721 + 8492359716 = 178561^2 + 92154^2 .

It is a cyclic number.

It is not a de Polignac number, because 40376390437 - 215 = 40376357669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40376391437) 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, 20188195218 + 20188195219.

It is an arithmetic number, because the mean of its divisors is an integer number (20188195219).

Almost surely, 240376390437 is an apocalyptic number.

It is an amenable number.

40376390437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40376390437 is an equidigital number, since it uses as much as digits as its factorization.

40376390437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 46.

The spelling of 40376390437 in words is "forty billion, three hundred seventy-six million, three hundred ninety thousand, four hundred thirty-seven".