2129401760 has 24 divisors (see below), whose sum is σ = 5030712036. Its totient is φ = 851760640.

The previous prime is 2129401717. The next prime is 2129401783. The reversal of 2129401760 is 671049212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2049191824 + 80209936 = 45268^2 + 8956^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6654221 + ... + 6654540.

Almost surely, 2^2129401760 is an apocalyptic number.

2129401760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2129401760 is an abundant number, since it is smaller than the sum of its proper divisors (2901310276).

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

2129401760 is a wasteful number, since it uses less digits than its factorization.

2129401760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308776 (or 13308768 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2129401760 is about 46145.4413783204. The cubic root of 2129401760 is about 1286.5278822748.

The spelling of 2129401760 in words is "two billion, one hundred twenty-nine million, four hundred one thousand, seven hundred sixty".