1848156140 has 48 divisors (see below), whose sum is σ = 4066212864. Its totient is φ = 704721600.

The previous prime is 1848156113. The next prime is 1848156143. The reversal of 1848156140 is 416518481.

It is a super-2 number, since 2×1848156140² = 6831362235639399200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1848156094 and 1848156103.

It is not an unprimeable number, because it can be changed into a prime (1848156143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19295 + ... + 63785.

It is an arithmetic number, because the mean of its divisors is an integer number (84712768).

Almost surely, 2^1848156140 is an apocalyptic number.

1848156140 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 1848156140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033106432).

1848156140 is an abundant number, since it is smaller than the sum of its proper divisors (2218056724).

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

1848156140 is a wasteful number, since it uses less digits than its factorization.

1848156140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44598 (or 44596 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1848156140 is about 42990.1865546080. The cubic root of 1848156140 is about 1227.1930483816.

The spelling of 1848156140 in words is "one billion, eight hundred forty-eight million, one hundred fifty-six thousand, one hundred forty".