40455442542 has 16 divisors (see below), whose sum is σ = 85169352960. Its totient is φ = 12775402872.

The previous prime is 40455442507. The next prime is 40455442571. The reversal of 40455442542 is 24524455404.

It is a super-3 number, since 3×40455442542³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40455442542.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 177436038 + ... + 177436265.

It is an arithmetic number, because the mean of its divisors is an integer number (5323084560).

Almost surely, 2^40455442542 is an apocalyptic number.

40455442542 is an abundant number, since it is smaller than the sum of its proper divisors (44713910418).

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

40455442542 is a wasteful number, since it uses less digits than its factorization.

40455442542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354872327.

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 40455442542 its reverse (24524455404), we get a palindrome (64979897946).

The spelling of 40455442542 in words is "forty billion, four hundred fifty-five million, four hundred forty-two thousand, five hundred forty-two".