40321401042 has 32 divisors (see below), whose sum is σ = 86898409920. Its totient is φ = 12399111360.

The previous prime is 40321401017. The next prime is 40321401073. The reversal of 40321401042 is 24010412304.

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 15 ways as a sum of consecutive naturals, for example, 24684 + ... + 285047.

It is an arithmetic number, because the mean of its divisors is an integer number (2715575310).

Almost surely, 2^40321401042 is an apocalyptic number.

40321401042 is an abundant number, since it is smaller than the sum of its proper divisors (46577008878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40321401042 is a wasteful number, since it uses less digits than its factorization.

40321401042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311418.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40321401042 its reverse (24010412304), we get a palindrome (64331813346).

The spelling of 40321401042 in words is "forty billion, three hundred twenty-one million, four hundred one thousand, forty-two".