1863104140 has 24 divisors (see below), whose sum is σ = 3914037792. Its totient is φ = 744952320.

The previous prime is 1863104119. The next prime is 1863104141. The reversal of 1863104140 is 414013681.

It is a junction number, because it is equal to n+sod(n) for n = 1863104099 and 1863104108.

It is not an unprimeable number, because it can be changed into a prime (1863104141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39132 + ... + 72508.

It is an arithmetic number, because the mean of its divisors is an integer number (163084908).

Almost surely, 2^1863104140 is an apocalyptic number.

1863104140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1863104140 is an abundant number, since it is smaller than the sum of its proper divisors (2050933652).

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

1863104140 is a wasteful number, since it uses less digits than its factorization.

1863104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36177 (or 36175 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1863104140 is about 43163.6900646828. The cubic root of 1863104140 is about 1230.4927058628.

The spelling of 1863104140 in words is "one billion, eight hundred sixty-three million, one hundred four thousand, one hundred forty".