2187040968 has 48 divisors (see below), whose sum is σ = 6769414080. Its totient is φ = 624868704.

The previous prime is 2187040967. The next prime is 2187040981. The reversal of 2187040968 is 8690407812.

2187040968 is a `hidden beast` number, since 2 + 187 + 0 + 409 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (2187040967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2169180 + ... + 2170187.

It is an arithmetic number, because the mean of its divisors is an integer number (141029460).

Almost surely, 2^2187040968 is an apocalyptic number.

2187040968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2187040968 is an abundant number, since it is smaller than the sum of its proper divisors (4582373112).

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

2187040968 is a wasteful number, since it uses less digits than its factorization.

2187040968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339386 (or 4339379 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2187040968 is about 46765.8098187126. The cubic root of 2187040968 is about 1298.0327183125.

The spelling of 2187040968 in words is "two billion, one hundred eighty-seven million, forty thousand, nine hundred sixty-eight".