4021024442 has 4 divisors (see below), whose sum is σ = 6031536666. Its totient is φ = 2010512220.

The previous prime is 4021024421. The next prime is 4021024453. The reversal of 4021024442 is 2444201204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4014362881 + 6661561 = 63359^2 + 2581^2 .

It is a super-2 number, since 2×4021024442² = 32337275126322822728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005256109 + ... + 1005256112.

Almost surely, 2^4021024442 is an apocalyptic number.

4021024442 is a deficient number, since it is larger than the sum of its proper divisors (2010512224).

4021024442 is a wasteful number, since it uses less digits than its factorization.

4021024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010512223.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4021024442 is about 63411.5481753915. The cubic root of 4021024442 is about 1590.1773785208.

Adding to 4021024442 its reverse (2444201204), we get a palindrome (6465225646).

The spelling of 4021024442 in words is "four billion, twenty-one million, twenty-four thousand, four hundred forty-two".