1832745840 has 40 divisors (see below), whose sum is σ = 5681512848. Its totient is φ = 488732160.

The previous prime is 1832745829. The next prime is 1832745907. The reversal of 1832745840 is 485472381.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1832745792 and 1832745801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817981 + ... + 3818460.

Almost surely, 2^1832745840 is an apocalyptic number.

1832745840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1832745840 is an abundant number, since it is smaller than the sum of its proper divisors (3848767008).

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

1832745840 is a wasteful number, since it uses less digits than its factorization.

1832745840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636457 (or 7636451 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1832745840 is about 42810.5809350913. The cubic root of 1832745840 is about 1223.7726627211.

The spelling of 1832745840 in words is "one billion, eight hundred thirty-two million, seven hundred forty-five thousand, eight hundred forty".