1849086738720 has 576 divisors, whose sum is σ = 7443267642720. Its totient is φ = 413611720704.

The previous prime is 1849086738713. The next prime is 1849086738721. The reversal of 1849086738720 is 278376809481.

1849086738720 is a `hidden beast` number, since 1 + 8 + 490 + 8 + 6 + 73 + 8 + 72 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 17860718736 + 1831226019984 = 133644^2 + 1353228^2 .

It is not an unprimeable number, because it can be changed into a prime (1849086738721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9128782 + ... + 9329138.

Almost surely, 2^{1849086738720} is an apocalyptic number.

1849086738720 is a gapful number since it is divisible by the number (10) 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 1849086738720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3721633821360).

1849086738720 is an abundant number, since it is smaller than the sum of its proper divisors (5594180904000).

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

1849086738720 is a wasteful number, since it uses less digits than its factorization.

1849086738720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200437 (or 200426 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 1849086738720 in words is "one trillion, eight hundred forty-nine billion, eighty-six million, seven hundred thirty-eight thousand, seven hundred twenty".