40767953 has 2 divisors, whose sum is σ = 40767954. Its totient is φ = 40767952.

The previous prime is 40767931. The next prime is 40767967. The reversal of 40767953 is 35976704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37356544 + 3411409 = 6112^2 + 1847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40767953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40767953.

It is not a weakly prime, because it can be changed into another prime (40767973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20383976 + 20383977.

It is an arithmetic number, because the mean of its divisors is an integer number (20383977).

Almost surely, 2^40767953 is an apocalyptic number.

It is an amenable number.

40767953 is a deficient number, since it is larger than the sum of its proper divisors (1).

40767953 is an equidigital number, since it uses as much as digits as its factorization.

40767953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 40767953 is about 6384.9787000428. The cubic root of 40767953 is about 344.1699656975.

The spelling of 40767953 in words is "forty million, seven hundred sixty-seven thousand, nine hundred fifty-three".