1438822545468 has 48 divisors (see below), whose sum is σ = 4185665589504. Its totient is φ = 373720141440.

The previous prime is 1438822545463. The next prime is 1438822545487. The reversal of 1438822545468 is 8645452288341.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438822545463) 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, 778582705 + ... + 778584552.

It is an arithmetic number, because the mean of its divisors is an integer number (87201366448).

Almost surely, 2^{1438822545468} is an apocalyptic number.

It is an amenable number.

1438822545468 is an abundant number, since it is smaller than the sum of its proper divisors (2746843044036).

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

1438822545468 is a wasteful number, since it uses less digits than its factorization.

1438822545468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557167282 (or 1557167280 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 60.

The spelling of 1438822545468 in words is "one trillion, four hundred thirty-eight billion, eight hundred twenty-two million, five hundred forty-five thousand, four hundred sixty-eight".