464097222638 has 16 divisors (see below), whose sum is σ = 814097454720. Its totient is φ = 194273255736.

The previous prime is 464097222637. The next prime is 464097222679. The reversal of 464097222638 is 836222790464.

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 464097222638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464097222637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385462208 + ... + 385463411.

It is an arithmetic number, because the mean of its divisors is an integer number (50881090920).

Almost surely, 2^464097222638 is an apocalyptic number.

464097222638 is a deficient number, since it is larger than the sum of its proper divisors (350000232082).

464097222638 is a wasteful number, since it uses less digits than its factorization.

464097222638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770925671.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 464097222638 in words is "four hundred sixty-four billion, ninety-seven million, two hundred twenty-two thousand, six hundred thirty-eight".