2134775880 has 48 divisors (see below), whose sum is σ = 6938022780. Its totient is φ = 569273472.

The previous prime is 2134775879. The next prime is 2134775887. The reversal of 2134775880 is 885774312.

2134775880 is a `hidden beast` number, since 21 + 3 + 47 + 7 + 588 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1983633444 + 151142436 = 44538^2 + 12294^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2134775887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2964607 + ... + 2965326.

Almost surely, 2^2134775880 is an apocalyptic number.

2134775880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134775880 is an abundant number, since it is smaller than the sum of its proper divisors (4803246900).

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

2134775880 is a wasteful number, since it uses less digits than its factorization.

2134775880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929950 (or 5929943 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 2134775880 is about 46203.6349219409. The cubic root of 2134775880 is about 1287.6092731586.

The spelling of 2134775880 in words is "two billion, one hundred thirty-four million, seven hundred seventy-five thousand, eight hundred eighty".