2451530000 has 100 divisors (see below), whose sum is σ = 6025633680. Its totient is φ = 965712000.

The previous prime is 2451529991. The next prime is 2451530017. The reversal of 2451530000 is 351542.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 668171 + ... + 671829.

Almost surely, 2^2451530000 is an apocalyptic number.

2451530000 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 2451530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3012816840).

2451530000 is an abundant number, since it is smaller than the sum of its proper divisors (3574103680).

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

2451530000 is an equidigital number, since it uses as much as digits as its factorization.

2451530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2451530000 is about 49512.9276048185. The cubic root of 2451530000 is about 1348.3803163383.

Adding to 2451530000 its reverse (351542), we get a palindrome (2451881542).

The spelling of 2451530000 in words is "two billion, four hundred fifty-one million, five hundred thirty thousand".