1849187040 has 96 divisors (see below), whose sum is σ = 5855413536. Its totient is φ = 490536960.

The previous prime is 1849187023. The next prime is 1849187063. The reversal of 1849187040 is 407819481.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1849186983 and 1849187001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82660 + ... + 102620.

It is an arithmetic number, because the mean of its divisors is an integer number (60993891).

Almost surely, 2^1849187040 is an apocalyptic number.

1849187040 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 1849187040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927706768).

1849187040 is an abundant number, since it is smaller than the sum of its proper divisors (4006226496).

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

1849187040 is a wasteful number, since it uses less digits than its factorization.

1849187040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172 (or 20164 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1849187040 is about 43002.1748287223. The cubic root of 1849187040 is about 1227.4211817325.

The spelling of 1849187040 in words is "one billion, eight hundred forty-nine million, one hundred eighty-seven thousand, forty".