455540221342 has 16 divisors (see below), whose sum is σ = 684043954560. Its totient is φ = 227525693472.

The previous prime is 455540221309. The next prime is 455540221349. The reversal of 455540221342 is 243122045554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455540221349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7872588 + ... + 7930240.

It is an arithmetic number, because the mean of its divisors is an integer number (42752747160).

Almost surely, 2^455540221342 is an apocalyptic number.

455540221342 is a deficient number, since it is larger than the sum of its proper divisors (228503733218).

455540221342 is a wasteful number, since it uses less digits than its factorization.

455540221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61827.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 455540221342 its reverse (243122045554), we get a palindrome (698662266896).

The spelling of 455540221342 in words is "four hundred fifty-five billion, five hundred forty million, two hundred twenty-one thousand, three hundred forty-two".