1840916825 has 24 divisors (see below), whose sum is σ = 2636750880. Its totient is φ = 1260089600.

The previous prime is 1840916809. The next prime is 1840916827. The reversal of 1840916825 is 5286190481.

It is not a de Polignac number, because 1840916825 - 2⁴ = 1840916809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1840916827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192215 + ... + 201564.

It is an arithmetic number, because the mean of its divisors is an integer number (109864620).

Almost surely, 2^1840916825 is an apocalyptic number.

It is an amenable number.

1840916825 is a deficient number, since it is larger than the sum of its proper divisors (795834055).

1840916825 is a wasteful number, since it uses less digits than its factorization.

1840916825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393817 (or 393812 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1840916825 is about 42905.9066446567. The cubic root of 1840916825 is about 1225.5886272885.

The spelling of 1840916825 in words is "one billion, eight hundred forty million, nine hundred sixteen thousand, eight hundred twenty-five".