1848649740 has 96 divisors (see below), whose sum is σ = 5929459200. Its totient is φ = 421564416.

The previous prime is 1848649681. The next prime is 1848649741. The reversal of 1848649740 is 479468481.

It is a super-2 number, since 2×1848649740² = 6835011722404135200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1848649741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183679 + ... + 193481.

It is an arithmetic number, because the mean of its divisors is an integer number (61765200).

Almost surely, 2^1848649740 is an apocalyptic number.

1848649740 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 1848649740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2964729600).

1848649740 is an abundant number, since it is smaller than the sum of its proper divisors (4080809460).

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

1848649740 is a wasteful number, since it uses less digits than its factorization.

1848649740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271 (or 10269 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 1848649740 is about 42995.9270164047. The cubic root of 1848649740 is about 1227.3022903366.

The spelling of 1848649740 in words is "one billion, eight hundred forty-eight million, six hundred forty-nine thousand, seven hundred forty".