1438082157348 has 120 divisors (see below), whose sum is σ = 3831277788800. Its totient is φ = 470276943552.

The previous prime is 1438082157179. The next prime is 1438082157401. The reversal of 1438082157348 is 8437512808341.

1438082157348 is a `hidden beast` number, since 1 + 4 + 3 + 8 + 0 + 8 + 21 + 573 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1438082157294 and 1438082157303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3839643 + ... + 4197501.

Almost surely, 2^{1438082157348} is an apocalyptic number.

1438082157348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438082157348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915638894400).

1438082157348 is an abundant number, since it is smaller than the sum of its proper divisors (2393195631452).

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

1438082157348 is a wasteful number, since it uses less digits than its factorization.

1438082157348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358111 (or 358100 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 1438082157348 in words is "one trillion, four hundred thirty-eight billion, eighty-two million, one hundred fifty-seven thousand, three hundred forty-eight".