40321302142 has 12 divisors (see below), whose sum is σ = 66480163848. Its totient is φ = 18327864500.

The previous prime is 40321302121. The next prime is 40321302149. The reversal of 40321302142 is 24120312304.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40321302149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83308234 + ... + 83308717.

It is an arithmetic number, because the mean of its divisors is an integer number (5540013654).

Almost surely, 2^40321302142 is an apocalyptic number.

40321302142 is a deficient number, since it is larger than the sum of its proper divisors (26158861706).

40321302142 is a wasteful number, since it uses less digits than its factorization.

40321302142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166616975 (or 166616964 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40321302142 its reverse (24120312304), we get a palindrome (64441614446).

The spelling of 40321302142 in words is "forty billion, three hundred twenty-one million, three hundred two thousand, one hundred forty-two".