1838542425120 has 72 divisors (see below), whose sum is σ = 6274026030636. Its totient is φ = 490277979648.

The previous prime is 1838542425119. The next prime is 1838542425211. The reversal of 1838542425120 is 215242458381.

1838542425120 is a `hidden beast` number, since 1 + 8 + 3 + 85 + 424 + 25 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1766591873424 + 71950551696 = 1329132^2 + 268236^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1838542425120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638381347 + ... + 638384226.

Almost surely, 2^{1838542425120} is an apocalyptic number.

1838542425120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1838542425120 is an abundant number, since it is smaller than the sum of its proper divisors (4435483605516).

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

1838542425120 is a wasteful number, since it uses less digits than its factorization.

1838542425120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276765594 (or 1276765583 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 1838542425120 in words is "one trillion, eight hundred thirty-eight billion, five hundred forty-two million, four hundred twenty-five thousand, one hundred twenty".