40040615116477 has 2 divisors, whose sum is σ = 40040615116478. Its totient is φ = 40040615116476.

The previous prime is 40040615116379. The next prime is 40040615116501. The reversal of 40040615116477 is 77461151604004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37880012046276 + 2160603070201 = 6154674^2 + 1469899^2 .

It is a cyclic number.

It is not a de Polignac number, because 40040615116477 - 2³⁹ = 39490859302589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40040615816477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020307558238 + 20020307558239.

It is an arithmetic number, because the mean of its divisors is an integer number (20020307558239).

Almost surely, 2^{40040615116477} is an apocalyptic number.

It is an amenable number.

40040615116477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040615116477 is an equidigital number, since it uses as much as digits as its factorization.

40040615116477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 40040615116477 in words is "forty trillion, forty billion, six hundred fifteen million, one hundred sixteen thousand, four hundred seventy-seven".