4001024442 has 32 divisors (see below), whose sum is σ = 8309548800. Its totient is φ = 1283316480.

The previous prime is 4001024429. The next prime is 4001024449. The reversal of 4001024442 is 2444201004.

It is a super-2 number, since 2×4001024442² = 32016393170962822728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4001024449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93442 + ... + 129357.

It is an arithmetic number, because the mean of its divisors is an integer number (259673400).

Almost surely, 2^4001024442 is an apocalyptic number.

4001024442 is an abundant number, since it is smaller than the sum of its proper divisors (4308524358).

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

4001024442 is a wasteful number, since it uses less digits than its factorization.

4001024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222918.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4001024442 is about 63253.6516100059. The cubic root of 4001024442 is about 1587.5365570931.

Adding to 4001024442 its reverse (2444201004), we get a palindrome (6445225446).

The spelling of 4001024442 in words is "four billion, one million, twenty-four thousand, four hundred forty-two".