1918110530 has 32 divisors (see below), whose sum is σ = 4117388544. Its totient is φ = 629044416.

The previous prime is 1918110529. The next prime is 1918110539. The reversal of 1918110530 is 350118191.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1918110493 and 1918110502.

It is not an unprimeable number, because it can be changed into a prime (1918110539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594077 + ... + 597296.

It is an arithmetic number, because the mean of its divisors is an integer number (128668392).

Almost surely, 2^1918110530 is an apocalyptic number.

1918110530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1918110530 is an abundant number, since it is smaller than the sum of its proper divisors (2199278014).

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

1918110530 is a wasteful number, since it uses less digits than its factorization.

1918110530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191410.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 1918110530 is about 43796.2387654465. The cubic root of 1918110530 is about 1242.4851586631.

The spelling of 1918110530 in words is "one billion, nine hundred eighteen million, one hundred ten thousand, five hundred thirty".