2400454221 has 8 divisors (see below), whose sum is σ = 3491569824. Its totient is φ = 1454820720.

The previous prime is 2400454211. The next prime is 2400454241. The reversal of 2400454221 is 1224540042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2400454221 - 2¹⁰ = 2400453197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2400454191 and 2400454200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400454201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36370486 + ... + 36370551.

It is an arithmetic number, because the mean of its divisors is an integer number (436446228).

Almost surely, 2^2400454221 is an apocalyptic number.

It is an amenable number.

2400454221 is a deficient number, since it is larger than the sum of its proper divisors (1091115603).

2400454221 is a wasteful number, since it uses less digits than its factorization.

2400454221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72741051.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2400454221 is about 48994.4305100080. The cubic root of 2400454221 is about 1338.9503588653.

Adding to 2400454221 its reverse (1224540042), we get a palindrome (3624994263).

The spelling of 2400454221 in words is "two billion, four hundred million, four hundred fifty-four thousand, two hundred twenty-one".