2453440000 has 400 divisors, whose sum is σ = 7248192336. Its totient is φ = 819200000.

The previous prime is 2453439973. The next prime is 2453440007. The reversal of 2453440000 is 443542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453440007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59839980 + ... + 59840020.

Almost surely, 2^2453440000 is an apocalyptic number.

2453440000 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 2453440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3624096168).

2453440000 is an abundant number, since it is smaller than the sum of its proper divisors (4794752336).

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

2453440000 is an equidigital number, since it uses as much as digits as its factorization.

2453440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2453440000 is about 49532.2117414516. The cubic root of 2453440000 is about 1348.7304021835.

Adding to 2453440000 its reverse (443542), we get a palindrome (2453883542).

The spelling of 2453440000 in words is "two billion, four hundred fifty-three million, four hundred forty thousand".