2404422640 has 40 divisors (see below), whose sum is σ = 5884511760. Its totient is φ = 911149056.

The previous prime is 2404422613. The next prime is 2404422641. The reversal of 2404422640 is 462244042.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2404422599 and 2404422608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404422641) 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, 789409 + ... + 792448.

It is an arithmetic number, because the mean of its divisors is an integer number (147112794).

Almost surely, 2^2404422640 is an apocalyptic number.

2404422640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404422640 is an abundant number, since it is smaller than the sum of its proper divisors (3480089120).

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

2404422640 is a wasteful number, since it uses less digits than its factorization.

2404422640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581889 (or 1581883 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2404422640 is about 49034.9124604093. The cubic root of 2404422640 is about 1339.6878013309.

Adding to 2404422640 its reverse (462244042), we get a palindrome (2866666682).

The spelling of 2404422640 in words is "two billion, four hundred four million, four hundred twenty-two thousand, six hundred forty".