2081454800 has 30 divisors (see below), whose sum is σ = 5000696118. Its totient is φ = 832581760.

The previous prime is 2081454799. The next prime is 2081454833. The reversal of 2081454800 is 84541802.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 726625936 + 1354828864 = 26956^2 + 36808^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2601419 + ... + 2602218.

Almost surely, 2^2081454800 is an apocalyptic number.

2081454800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081454800 is an abundant number, since it is smaller than the sum of its proper divisors (2919241318).

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

2081454800 is a wasteful number, since it uses less digits than its factorization.

2081454800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203655 (or 5203644 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 2081454800 is about 45622.9635161943. The cubic root of 2081454800 is about 1276.7983951347.

The spelling of 2081454800 in words is "two billion, eighty-one million, four hundred fifty-four thousand, eight hundred".