1912485888 has 288 divisors, whose sum is σ = 5996390400. Its totient is φ = 585252864.

The previous prime is 1912485851. The next prime is 1912485889. The reversal of 1912485888 is 8885842191.

1912485888 is a `hidden beast` number, since 1 + 9 + 12 + 48 + 588 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912485889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15058881 + ... + 15059007.

It is an arithmetic number, because the mean of its divisors is an integer number (20820800).

Almost surely, 2^1912485888 is an apocalyptic number.

1912485888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1912485888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998195200).

1912485888 is an abundant number, since it is smaller than the sum of its proper divisors (4083904512).

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

1912485888 is a wasteful number, since it uses less digits than its factorization.

1912485888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 194 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 54.

The square root of 1912485888 is about 43731.9778651732. The cubic root of 1912485888 is about 1241.2694872550.

It can be divided in two parts, 191248 and 5888, that added together give a square (197136 = 444²).

The spelling of 1912485888 in words is "one billion, nine hundred twelve million, four hundred eighty-five thousand, eight hundred eighty-eight".