40223320542 has 12 divisors (see below), whose sum is σ = 87150527880. Its totient is φ = 13407773508.

The previous prime is 40223320519. The next prime is 40223320547. The reversal of 40223320542 is 24502332204.

It is a happy number.

40223320542 is a `hidden beast` number, since 402 + 233 + 20 + 5 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223320547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117314442 + ... + 1117314477.

It is an arithmetic number, because the mean of its divisors is an integer number (7262543990).

Almost surely, 2^40223320542 is an apocalyptic number.

40223320542 is an abundant number, since it is smaller than the sum of its proper divisors (46927207338).

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

40223320542 is a wasteful number, since it uses less digits than its factorization.

40223320542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234628927 (or 2234628924 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 40223320542 its reverse (24502332204), we get a palindrome (64725652746).

The spelling of 40223320542 in words is "forty billion, two hundred twenty-three million, three hundred twenty thousand, five hundred forty-two".