2454243440 has 160 divisors (see below), whose sum is σ = 6417392832. Its totient is φ = 865280000.

The previous prime is 2454243431. The next prime is 2454243457. The reversal of 2454243440 is 443424542.

It is a junction number, because it is equal to n+sod(n) for n = 2454243397 and 2454243406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4710380 + ... + 4710900.

Almost surely, 2^2454243440 is an apocalyptic number.

2454243440 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 2454243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208696416).

2454243440 is an abundant number, since it is smaller than the sum of its proper divisors (3963149392).

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

2454243440 is a wasteful number, since it uses less digits than its factorization.

2454243440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 2454243440 is about 49540.3213554373. The cubic root of 2454243440 is about 1348.8776112300.

Adding to 2454243440 its reverse (443424542), we get a palindrome (2897667982).

The spelling of 2454243440 in words is "two billion, four hundred fifty-four million, two hundred forty-three thousand, four hundred forty".