40220030987 has 2 divisors, whose sum is σ = 40220030988. Its totient is φ = 40220030986.

The previous prime is 40220030969. The next prime is 40220031097. The reversal of 40220030987 is 78903002204.

40220030987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40220030987 - 2¹⁴ = 40220014603 is a prime.

It is not a weakly prime, because it can be changed into another prime (40220030957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110015493 + 20110015494.

It is an arithmetic number, because the mean of its divisors is an integer number (20110015494).

Almost surely, 2^40220030987 is an apocalyptic number.

40220030987 is a deficient number, since it is larger than the sum of its proper divisors (1).

40220030987 is an equidigital number, since it uses as much as digits as its factorization.

40220030987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 40220030987 in words is "forty billion, two hundred twenty million, thirty thousand, nine hundred eighty-seven".