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40074033397 is a prime number
BaseRepresentation
bin100101010100100110…
…010011100011110101
310211102211100211020011
4211110212103203311
51124032423032042
630224301340221
72616033443416
oct452446234365
9124384324204
1040074033397
1115aa4824472
127924867671
133a18503bc8
141d2235d80d
15109825ca17
hex9549938f5

40074033397 has 2 divisors, whose sum is σ = 40074033398. Its totient is φ = 40074033396.

The previous prime is 40074033359. The next prime is 40074033457. The reversal of 40074033397 is 79333047004.

40074033397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39283636401 + 790396996 = 198201^2 + 28114^2 .

It is a cyclic number.

It is not a de Polignac number, because 40074033397 - 27 = 40074033269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40074033347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20037016698 + 20037016699.

It is an arithmetic number, because the mean of its divisors is an integer number (20037016699).

Almost surely, 240074033397 is an apocalyptic number.

It is an amenable number.

40074033397 is a deficient number, since it is larger than the sum of its proper divisors (1).

40074033397 is an equidigital number, since it uses as much as digits as its factorization.

40074033397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 40.

The spelling of 40074033397 in words is "forty billion, seventy-four million, thirty-three thousand, three hundred ninety-seven".