40036025987 has 2 divisors, whose sum is σ = 40036025988. Its totient is φ = 40036025986.

The previous prime is 40036025927. The next prime is 40036026007. The reversal of 40036025987 is 78952063004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40036025987 - 2³⁴ = 22856156803 is a prime.

It is not a weakly prime, because it can be changed into another prime (40036025927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018012993 + 20018012994.

It is an arithmetic number, because the mean of its divisors is an integer number (20018012994).

Almost surely, 2^40036025987 is an apocalyptic number.

40036025987 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036025987 is an equidigital number, since it uses as much as digits as its factorization.

40036025987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 40036025987 in words is "forty billion, thirty-six million, twenty-five thousand, nine hundred eighty-seven".