2129260458 has 32 divisors (see below), whose sum is σ = 4683684096. Its totient is φ = 641216448.

The previous prime is 2129260363. The next prime is 2129260459. The reversal of 2129260458 is 8540629212.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2129260459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286741 + ... + 294072.

It is an arithmetic number, because the mean of its divisors is an integer number (146365128).

Almost surely, 2^2129260458 is an apocalyptic number.

2129260458 is an abundant number, since it is smaller than the sum of its proper divisors (2554423638).

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

2129260458 is a wasteful number, since it uses less digits than its factorization.

2129260458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580878.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2129260458 is about 46143.9103024440. The cubic root of 2129260458 is about 1286.4994246759.

The spelling of 2129260458 in words is "two billion, one hundred twenty-nine million, two hundred sixty thousand, four hundred fifty-eight".