40430300987 has 2 divisors, whose sum is σ = 40430300988. Its totient is φ = 40430300986.

The previous prime is 40430300971. The next prime is 40430301013. The reversal of 40430300987 is 78900303404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40430300987 - 2⁴ = 40430300971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40430300987.

It is not a weakly prime, because it can be changed into another prime (40430300917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215150493 + 20215150494.

It is an arithmetic number, because the mean of its divisors is an integer number (20215150494).

Almost surely, 2^40430300987 is an apocalyptic number.

40430300987 is a deficient number, since it is larger than the sum of its proper divisors (1).

40430300987 is an equidigital number, since it uses as much as digits as its factorization.

40430300987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 40430300987 in words is "forty billion, four hundred thirty million, three hundred thousand, nine hundred eighty-seven".