40132273778477 has 2 divisors, whose sum is σ = 40132273778478. Its totient is φ = 40132273778476.

The previous prime is 40132273778419. The next prime is 40132273778483. The reversal of 40132273778477 is 77487737223104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22303054657321 + 17829219121156 = 4722611^2 + 4222466^2 .

It is a cyclic number.

It is not a de Polignac number, because 40132273778477 - 2²⁴ = 40132257001261 is a prime.

It is a super-2 number, since 2×40132273778477² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40132273778417) 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, 20066136889238 + 20066136889239.

It is an arithmetic number, because the mean of its divisors is an integer number (20066136889239).

Almost surely, 2^{40132273778477} is an apocalyptic number.

It is an amenable number.

40132273778477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132273778477 is an equidigital number, since it uses as much as digits as its factorization.

40132273778477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77446656, while the sum is 62.

The spelling of 40132273778477 in words is "forty trillion, one hundred thirty-two billion, two hundred seventy-three million, seven hundred seventy-eight thousand, four hundred seventy-seven".