1438624286152 has 8 divisors (see below), whose sum is σ = 2697420536550. Its totient is φ = 719312143072.

The previous prime is 1438624286123. The next prime is 1438624286173. The reversal of 1438624286152 is 2516824268341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1136240874916 + 302383411236 = 1065946^2 + 549894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1438624286152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89914017877 + ... + 89914017892.

Almost surely, 2^{1438624286152} is an apocalyptic number.

It is an amenable number.

1438624286152 is a deficient number, since it is larger than the sum of its proper divisors (1258796250398).

1438624286152 is a wasteful number, since it uses less digits than its factorization.

1438624286152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179828035775 (or 179828035771 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 1438624286152 in words is "one trillion, four hundred thirty-eight billion, six hundred twenty-four million, two hundred eighty-six thousand, one hundred fifty-two".