2129051260 has 96 divisors (see below), whose sum is σ = 5292790272. Its totient is φ = 704229120.

The previous prime is 2129051237. The next prime is 2129051273. The reversal of 2129051260 is 621509212.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497530 + ... + 501790.

It is an arithmetic number, because the mean of its divisors is an integer number (55133232).

Almost surely, 2^2129051260 is an apocalyptic number.

2129051260 is a gapful number since it is divisible by the number (20) 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 2129051260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646395136).

2129051260 is an abundant number, since it is smaller than the sum of its proper divisors (3163739012).

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

2129051260 is a wasteful number, since it uses less digits than its factorization.

2129051260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2129051260 is about 46141.6434471075. The cubic root of 2129051260 is about 1286.4572908104.

The spelling of 2129051260 in words is "two billion, one hundred twenty-nine million, fifty-one thousand, two hundred sixty".