40987926029 has 2 divisors, whose sum is σ = 40987926030. Its totient is φ = 40987926028.

The previous prime is 40987925911. The next prime is 40987926079. The reversal of 40987926029 is 92062978904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40069229929 + 918696100 = 200173^2 + 30310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40987926029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40987926079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20493963014 + 20493963015.

It is an arithmetic number, because the mean of its divisors is an integer number (20493963015).

Almost surely, 2^40987926029 is an apocalyptic number.

It is an amenable number.

40987926029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40987926029 is an equidigital number, since it uses as much as digits as its factorization.

40987926029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 40987926029 in words is "forty billion, nine hundred eighty-seven million, nine hundred twenty-six thousand, twenty-nine".