40402143122 has 8 divisors (see below), whose sum is σ = 66112597872. Its totient is φ = 18364610500.

The previous prime is 40402143113. The next prime is 40402143227. The reversal of 40402143122 is 22134120404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918230504 + ... + 918230547.

It is an arithmetic number, because the mean of its divisors is an integer number (8264074734).

Almost surely, 2^40402143122 is an apocalyptic number.

40402143122 is a deficient number, since it is larger than the sum of its proper divisors (25710454750).

40402143122 is a wasteful number, since it uses less digits than its factorization.

40402143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836461064.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40402143122 its reverse (22134120404), we get a palindrome (62536263526).

The spelling of 40402143122 in words is "forty billion, four hundred two million, one hundred forty-three thousand, one hundred twenty-two".