5405081442 has 16 divisors (see below), whose sum is σ = 10887935520. Its totient is φ = 1788731712.

The previous prime is 5405081431. The next prime is 5405081447. The reversal of 5405081442 is 2441805045.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5405081447) by changing a digit.

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, 3239623 + ... + 3241290.

It is an arithmetic number, because the mean of its divisors is an integer number (680495970).

Almost surely, 2^5405081442 is an apocalyptic number.

5405081442 is an abundant number, since it is smaller than the sum of its proper divisors (5482854078).

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

5405081442 is a wasteful number, since it uses less digits than its factorization.

5405081442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481057.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 5405081442 is about 73519.2589870165. The cubic root of 5405081442 is about 1754.9607750910.

Adding to 5405081442 its reverse (2441805045), we get a palindrome (7846886487).

The spelling of 5405081442 in words is "five billion, four hundred five million, eighty-one thousand, four hundred forty-two".