2113454460 has 192 divisors, whose sum is σ = 6637438080. Its totient is φ = 498892800.

The previous prime is 2113454449. The next prime is 2113454461. The reversal of 2113454460 is 644543112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113454461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5270260 + ... + 5270660.

It is an arithmetic number, because the mean of its divisors is an integer number (34569990).

Almost surely, 2^2113454460 is an apocalyptic number.

2113454460 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 2113454460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3318719040).

2113454460 is an abundant number, since it is smaller than the sum of its proper divisors (4523983620).

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

2113454460 is a wasteful number, since it uses less digits than its factorization.

2113454460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2113454460 is about 45972.3227605480. The cubic root of 2113454460 is about 1283.3081865352.

Adding to 2113454460 its reverse (644543112), we get a palindrome (2757997572).

The spelling of 2113454460 in words is "two billion, one hundred thirteen million, four hundred fifty-four thousand, four hundred sixty".