40402002442 has 16 divisors (see below), whose sum is σ = 62704650240. Its totient is φ = 19500716592.

The previous prime is 40402002419. The next prime is 40402002451. The reversal of 40402002442 is 24420020404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255883 + ... + 382465.

It is an arithmetic number, because the mean of its divisors is an integer number (3919040640).

Almost surely, 2^40402002442 is an apocalyptic number.

40402002442 is a deficient number, since it is larger than the sum of its proper divisors (22302647798).

40402002442 is a wasteful number, since it uses less digits than its factorization.

40402002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132117.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40402002442 its reverse (24420020404), we get a palindrome (64822022846).

The spelling of 40402002442 in words is "forty billion, four hundred two million, two thousand, four hundred forty-two".