4021400330 has 8 divisors (see below), whose sum is σ = 7238520612. Its totient is φ = 1608560128.

The previous prime is 4021400249. The next prime is 4021400351. The reversal of 4021400330 is 330041204.

It can be written as a sum of positive squares in 2 ways, for example, as 4002207169 + 19193161 = 63263^2 + 4381^2 .

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

It is a super-2 number, since 2×4021400330² = 32343321228248217800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021400299 and 4021400308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201070007 + ... + 201070026.

Almost surely, 2^4021400330 is an apocalyptic number.

4021400330 is a deficient number, since it is larger than the sum of its proper divisors (3217120282).

4021400330 is a wasteful number, since it uses less digits than its factorization.

4021400330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402140040.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4021400330 is about 63414.5119826684. The cubic root of 4021400330 is about 1590.2269272514.

Adding to 4021400330 its reverse (330041204), we get a palindrome (4351441534).

The spelling of 4021400330 in words is "four billion, twenty-one million, four hundred thousand, three hundred thirty".