2106454460 has 96 divisors (see below), whose sum is σ = 4967682048. Its totient is φ = 743713280.

The previous prime is 2106454457. The next prime is 2106454487. The reversal of 2106454460 is 644546012.

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, 1415837 + ... + 1417323.

It is an arithmetic number, because the mean of its divisors is an integer number (51746688).

Almost surely, 2^2106454460 is an apocalyptic number.

2106454460 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 2106454460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2483841024).

2106454460 is an abundant number, since it is smaller than the sum of its proper divisors (2861227588).

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

2106454460 is a wasteful number, since it uses less digits than its factorization.

2106454460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2106454460 is about 45896.1268518379. The cubic root of 2106454460 is about 1281.8897988498.

The spelling of 2106454460 in words is "two billion, one hundred six million, four hundred fifty-four thousand, four hundred sixty".