906223046140 has 24 divisors (see below), whose sum is σ = 1916759542320. Its totient is φ = 359881381248.

The previous prime is 906223046111. The next prime is 906223046149. The reversal of 906223046140 is 41640322609.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 906223046140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906223046149) 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, 162986977 + ... + 162992536.

It is an arithmetic number, because the mean of its divisors is an integer number (79864980930).

Almost surely, 2^906223046140 is an apocalyptic number.

It is an amenable number.

906223046140 is an abundant number, since it is smaller than the sum of its proper divisors (1010536496180).

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

906223046140 is a wasteful number, since it uses less digits than its factorization.

906223046140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325979661 (or 325979659 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 906223046140 its reverse (41640322609), we get a palindrome (947863368749).

The spelling of 906223046140 in words is "nine hundred six billion, two hundred twenty-three million, forty-six thousand, one hundred forty".