40002242145 has 64 divisors (see below), whose sum is σ = 65879654400. Its totient is φ = 20717169408.

The previous prime is 40002242129. The next prime is 40002242167. The reversal of 40002242145 is 54124220004.

It is a happy number.

It is not a de Polignac number, because 40002242145 - 2⁴ = 40002242129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90298294 + ... + 90298736.

It is an arithmetic number, because the mean of its divisors is an integer number (1029369600).

Almost surely, 2^40002242145 is an apocalyptic number.

It is an amenable number.

40002242145 is a deficient number, since it is larger than the sum of its proper divisors (25877412255).

40002242145 is a wasteful number, since it uses less digits than its factorization.

40002242145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40002242145 its reverse (54124220004), we get a palindrome (94126462149).

The spelling of 40002242145 in words is "forty billion, two million, two hundred forty-two thousand, one hundred forty-five".