1823118040 has 16 divisors (see below), whose sum is σ = 4102015680. Its totient is φ = 729247200.

The previous prime is 1823117993. The next prime is 1823118067. The reversal of 1823118040 is 408113281.

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, 22788936 + ... + 22789015.

It is an arithmetic number, because the mean of its divisors is an integer number (256375980).

Almost surely, 2^1823118040 is an apocalyptic number.

1823118040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1823118040 is an abundant number, since it is smaller than the sum of its proper divisors (2278897640).

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

1823118040 is a wasteful number, since it uses less digits than its factorization.

1823118040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45577962 (or 45577958 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1823118040 is about 42697.9863693828. The cubic root of 1823118040 is about 1221.6259874729.

The spelling of 1823118040 in words is "one billion, eight hundred twenty-three million, one hundred eighteen thousand, forty".