40321055442 has 16 divisors (see below), whose sum is σ = 80644227552. Its totient is φ = 13439999040.

The previous prime is 40321055377. The next prime is 40321055461. The reversal of 40321055442 is 24455012304.

40321055442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273642 + ... + 394362.

It is an arithmetic number, because the mean of its divisors is an integer number (5040264222).

Almost surely, 2^40321055442 is an apocalyptic number.

40321055442 is an abundant number, since it is smaller than the sum of its proper divisors (40323172110).

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

40321055442 is a wasteful number, since it uses less digits than its factorization.

40321055442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176393.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40321055442 its reverse (24455012304), we get a palindrome (64776067746).

The spelling of 40321055442 in words is "forty billion, three hundred twenty-one million, fifty-five thousand, four hundred forty-two".