1845716540 has 12 divisors (see below), whose sum is σ = 3876004776. Its totient is φ = 738286608.

The previous prime is 1845716501. The next prime is 1845716591. The reversal of 1845716540 is 456175481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46142894 + ... + 46142933.

It is an arithmetic number, because the mean of its divisors is an integer number (323000398).

Almost surely, 2^1845716540 is an apocalyptic number.

1845716540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1845716540 is an abundant number, since it is smaller than the sum of its proper divisors (2030288236).

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

1845716540 is a wasteful number, since it uses less digits than its factorization.

1845716540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92285836 (or 92285834 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 1845716540 is about 42961.8032675538. The cubic root of 1845716540 is about 1226.6528381725.

The spelling of 1845716540 in words is "one billion, eight hundred forty-five million, seven hundred sixteen thousand, five hundred forty".