472772135852446 has 32 divisors (see below), whose sum is σ = 755211481315200. Its totient is φ = 221341128625440.

The previous prime is 472772135852441. The next prime is 472772135852521. The reversal of 472772135852446 is 644258531277274.

It is a happy number.

It is a super-2 number, since 2×472772135852446² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472772135852441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209728156 + ... + 211970383.

It is an arithmetic number, because the mean of its divisors is an integer number (23600358791100).

Almost surely, 2^{472772135852446} is an apocalyptic number.

472772135852446 is a deficient number, since it is larger than the sum of its proper divisors (282439345462754).

472772135852446 is a wasteful number, since it uses less digits than its factorization.

472772135852446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421698904.

The product of its digits is 632217600, while the sum is 67.

The spelling of 472772135852446 in words is "four hundred seventy-two trillion, seven hundred seventy-two billion, one hundred thirty-five million, eight hundred fifty-two thousand, four hundred forty-six".