40767773741 has 2 divisors, whose sum is σ = 40767773742. Its totient is φ = 40767773740.

The previous prime is 40767773737. The next prime is 40767773743. The reversal of 40767773741 is 14737776704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37306922500 + 3460851241 = 193150^2 + 58829^2 .

It is a cyclic number.

It is not a de Polignac number, because 40767773741 - 2² = 40767773737 is a prime.

It is a super-2 number, since 2×40767773741² (a number of 22 digits) contains 22 as substring.

Together with 40767773743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40767773743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20383886870 + 20383886871.

It is an arithmetic number, because the mean of its divisors is an integer number (20383886871).

Almost surely, 2^40767773741 is an apocalyptic number.

It is an amenable number.

40767773741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40767773741 is an equidigital number, since it uses as much as digits as its factorization.

40767773741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4840416, while the sum is 53.

The spelling of 40767773741 in words is "forty billion, seven hundred sixty-seven million, seven hundred seventy-three thousand, seven hundred forty-one".