1845283940 has 48 divisors (see below), whose sum is σ = 3977605632. Its totient is φ = 718695936.

The previous prime is 1845283939. The next prime is 1845283963. The reversal of 1845283940 is 493825481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1845283891 and 1845283900.

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, 286637 + ... + 293003.

It is an arithmetic number, because the mean of its divisors is an integer number (82866784).

Almost surely, 2^1845283940 is an apocalyptic number.

1845283940 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 1845283940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988802816).

1845283940 is an abundant number, since it is smaller than the sum of its proper divisors (2132321692).

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

1845283940 is a wasteful number, since it uses less digits than its factorization.

1845283940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1845283940 is about 42956.7682676432. The cubic root of 1845283940 is about 1226.5569961747.

The spelling of 1845283940 in words is "one billion, eight hundred forty-five million, two hundred eighty-three thousand, nine hundred forty".