8440290145 has 16 divisors (see below), whose sum is σ = 11577254400. Its totient is φ = 5786627904.

The previous prime is 8440290083. The next prime is 8440290167. The reversal of 8440290145 is 5410920448.

8440290145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8440290145 - 2¹⁷ = 8440159073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225864 + ... + 260566.

It is an arithmetic number, because the mean of its divisors is an integer number (723578400).

Almost surely, 2^8440290145 is an apocalyptic number.

It is an amenable number.

8440290145 is a deficient number, since it is larger than the sum of its proper divisors (3136964255).

8440290145 is a wasteful number, since it uses less digits than its factorization.

8440290145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41664.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8440290145 is about 91871.0517246864. The cubic root of 8440290145 is about 2036.0375912334.

The spelling of 8440290145 in words is "eight billion, four hundred forty million, two hundred ninety thousand, one hundred forty-five".