2454421004440 has 32 divisors (see below), whose sum is σ = 5604871852080. Its totient is φ = 967115140992.

The previous prime is 2454421004401. The next prime is 2454421004443. The reversal of 2454421004440 is 444001244542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2454421004396 and 2454421004405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454421004443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457911687 + ... + 457917046.

Almost surely, 2^{2454421004440} is an apocalyptic number.

2454421004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2454421004440 is an abundant number, since it is smaller than the sum of its proper divisors (3150450847640).

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

2454421004440 is a wasteful number, since it uses less digits than its factorization.

2454421004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915828811 (or 915828807 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 2454421004440 its reverse (444001244542), we get a palindrome (2898422248982).

The spelling of 2454421004440 in words is "two trillion, four hundred fifty-four billion, four hundred twenty-one million, four thousand, four hundred forty".