438768047355 has 64 divisors (see below), whose sum is σ = 767649484800. Its totient is φ = 212236801920.

The previous prime is 438768047353. The next prime is 438768047383. The reversal of 438768047355 is 553740867834.

It is a happy number.

It is not a de Polignac number, because 438768047355 - 2¹ = 438768047353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438768047351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186947292 + ... + 186949638.

It is an arithmetic number, because the mean of its divisors is an integer number (11994523200).

Almost surely, 2^438768047355 is an apocalyptic number.

438768047355 is a deficient number, since it is larger than the sum of its proper divisors (328881437445).

438768047355 is a wasteful number, since it uses less digits than its factorization.

438768047355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544.

The product of its (nonzero) digits is 67737600, while the sum is 60.

The spelling of 438768047355 in words is "four hundred thirty-eight billion, seven hundred sixty-eight million, forty-seven thousand, three hundred fifty-five".