40250390029 has 2 divisors, whose sum is σ = 40250390030. Its totient is φ = 40250390028.

The previous prime is 40250390021. The next prime is 40250390041. The reversal of 40250390029 is 92009305204.

40250390029 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 can be written as a sum of positive squares in only one way, i.e., 21890682025 + 18359708004 = 147955^2 + 135498^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250390029 - 2³ = 40250390021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40250389976 and 40250390003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40250390021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125195014 + 20125195015.

It is an arithmetic number, because the mean of its divisors is an integer number (20125195015).

Almost surely, 2^40250390029 is an apocalyptic number.

It is an amenable number.

40250390029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250390029 is an equidigital number, since it uses as much as digits as its factorization.

40250390029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 40250390029 in words is "forty billion, two hundred fifty million, three hundred ninety thousand, twenty-nine".