2135550240 has 72 divisors (see below), whose sum is σ = 7287570108. Its totient is φ = 569479680.

The previous prime is 2135550203. The next prime is 2135550259. The reversal of 2135550240 is 420555312.

It is a happy number.

2135550240 is a `hidden beast` number, since 21 + 355 + 50 + 240 = 666.

2135550240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2135548944 + 1296 = 46212^2 + 36^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740071 + ... + 742950.

Almost surely, 2^2135550240 is an apocalyptic number.

2135550240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135550240 is an abundant number, since it is smaller than the sum of its proper divisors (5152019868).

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

2135550240 is a wasteful number, since it uses less digits than its factorization.

2135550240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483042 (or 1483031 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2135550240 is about 46212.0140223297. The cubic root of 2135550240 is about 1287.7649417376.

The spelling of 2135550240 in words is "two billion, one hundred thirty-five million, five hundred fifty thousand, two hundred forty".