2102454000 has 120 divisors (see below), whose sum is σ = 7343233872. Its totient is φ = 560649600.

The previous prime is 2102453981. The next prime is 2102454001. The reversal of 2102454000 is 4542012.

2102454000 is a `hidden beast` number, since 21 + 0 + 245 + 400 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102454001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40402 + ... + 76401.

Almost surely, 2^2102454000 is an apocalyptic number.

2102454000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102454000 is an abundant number, since it is smaller than the sum of its proper divisors (5240779872).

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

2102454000 is a wasteful number, since it uses less digits than its factorization.

2102454000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116832 (or 116813 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2102454000 is about 45852.5244670345. The cubic root of 2102454000 is about 1281.0777868875.

Adding to 2102454000 its reverse (4542012), we get a palindrome (2106996012).

The spelling of 2102454000 in words is "two billion, one hundred two million, four hundred fifty-four thousand".