890395572242 has 32 divisors (see below), whose sum is σ = 1470649094784. Its totient is φ = 400940512000.

The previous prime is 890395572217. The next prime is 890395572271. The reversal of 890395572242 is 242275593098.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4874867 + ... + 5054217.

It is an arithmetic number, because the mean of its divisors is an integer number (45957784212).

Almost surely, 2^890395572242 is an apocalyptic number.

890395572242 is a deficient number, since it is larger than the sum of its proper divisors (580253522542).

890395572242 is a wasteful number, since it uses less digits than its factorization.

890395572242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181474.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 890395572242 in words is "eight hundred ninety billion, three hundred ninety-five million, five hundred seventy-two thousand, two hundred forty-two".