40755321042 has 64 divisors (see below), whose sum is σ = 89383564800. Its totient is φ = 12330967040.

The previous prime is 40755321023. The next prime is 40755321091. The reversal of 40755321042 is 24012355704.

It is a junction number, because it is equal to n+sod(n) for n = 40755320994 and 40755321012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2740567 + ... + 2755397.

It is an arithmetic number, because the mean of its divisors is an integer number (1396618200).

Almost surely, 2^40755321042 is an apocalyptic number.

40755321042 is an abundant number, since it is smaller than the sum of its proper divisors (48628243758).

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

40755321042 is a wasteful number, since it uses less digits than its factorization.

40755321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15811.

The product of its (nonzero) digits is 33600, while the sum is 33.

Adding to 40755321042 its reverse (24012355704), we get a palindrome (64767676746).

The spelling of 40755321042 in words is "forty billion, seven hundred fifty-five million, three hundred twenty-one thousand, forty-two".