2423042440 has 128 divisors (see below), whose sum is σ = 6759648000. Its totient is φ = 761177088.

The previous prime is 2423042411. The next prime is 2423042459. The reversal of 2423042440 is 442403242.

It is a super-2 number, since 2×2423042440² = 11742269332082307200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503566 + ... + 508354.

It is an arithmetic number, because the mean of its divisors is an integer number (52809750).

Almost surely, 2^2423042440 is an apocalyptic number.

2423042440 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 2423042440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379824000).

2423042440 is an abundant number, since it is smaller than the sum of its proper divisors (4336605560).

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

2423042440 is a wasteful number, since it uses less digits than its factorization.

2423042440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2423042440 is about 49224.4089857867. The cubic root of 2423042440 is about 1343.1370845591.

Adding to 2423042440 its reverse (442403242), we get a palindrome (2865445682).

The spelling of 2423042440 in words is "two billion, four hundred twenty-three million, forty-two thousand, four hundred forty".