2451240000 has 420 divisors, whose sum is σ = 9593366640. Its totient is φ = 593280000.

The previous prime is 2451239963. The next prime is 2451240007. The reversal of 2451240000 is 421542.

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

It is not an unprimeable number, because it can be changed into a prime (2451240007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3959691 + ... + 3960309.

Almost surely, 2^2451240000 is an apocalyptic number.

2451240000 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 2451240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4796683320).

2451240000 is an abundant number, since it is smaller than the sum of its proper divisors (7142126640).

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

2451240000 is a wasteful number, since it uses less digits than its factorization.

2451240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 640 counting only the distinct ones).

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

The square root of 2451240000 is about 49509.9989901030. The cubic root of 2451240000 is about 1348.3271460444.

Adding to 2451240000 its reverse (421542), we get a palindrome (2451661542).

The spelling of 2451240000 in words is "two billion, four hundred fifty-one million, two hundred forty thousand".