4021402324 has 12 divisors (see below), whose sum is σ = 7042611744. Its totient is φ = 2009227544.

The previous prime is 4021402283. The next prime is 4021402337. The reversal of 4021402324 is 4232041204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4021402295 and 4021402304.

It is a congruent number.

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, 362254 + ... + 373189.

It is an arithmetic number, because the mean of its divisors is an integer number (586884312).

Almost surely, 2^4021402324 is an apocalyptic number.

It is an amenable number.

4021402324 is a deficient number, since it is larger than the sum of its proper divisors (3021209420).

4021402324 is a wasteful number, since it uses less digits than its factorization.

4021402324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736814 (or 736812 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4021402324 is about 63414.5277046199. The cubic root of 4021402324 is about 1590.2271900878.

Adding to 4021402324 its reverse (4232041204), we get a palindrome (8253443528).

The spelling of 4021402324 in words is "four billion, twenty-one million, four hundred two thousand, three hundred twenty-four".