4002423400 has 48 divisors (see below), whose sum is σ = 9626532300. Its totient is φ = 1545761280.

The previous prime is 4002423391. The next prime is 4002423413. The reversal of 4002423400 is 43242004.

It can be written as a sum of positive squares in 6 ways, for example, as 2714618404 + 1287804996 = 52102^2 + 35886^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 339237 + ... + 350836.

Almost surely, 2^4002423400 is an apocalyptic number.

4002423400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4002423400 is an abundant number, since it is smaller than the sum of its proper divisors (5624108900).

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

4002423400 is a wasteful number, since it uses less digits than its factorization.

4002423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690118 (or 690109 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4002423400 is about 63264.7089616320. The cubic root of 4002423400 is about 1587.7215628922.

Adding to 4002423400 its reverse (43242004), we get a palindrome (4045665404).

The spelling of 4002423400 in words is "four billion, two million, four hundred twenty-three thousand, four hundred".