4021031642 has 8 divisors (see below), whose sum is σ = 6060133632. Its totient is φ = 2000987100.

The previous prime is 4021031639. The next prime is 4021031681. The reversal of 4021031642 is 2461301204.

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

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, 4763834 + ... + 4764677.

It is an arithmetic number, because the mean of its divisors is an integer number (757516704).

Almost surely, 2^4021031642 is an apocalyptic number.

4021031642 is a deficient number, since it is larger than the sum of its proper divisors (2039101990).

4021031642 is a wasteful number, since it uses less digits than its factorization.

4021031642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9528724.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4021031642 is about 63411.6049473596. The cubic root of 4021031642 is about 1590.1783276380.

Adding to 4021031642 its reverse (2461301204), we get a palindrome (6482332846).

The spelling of 4021031642 in words is "four billion, twenty-one million, thirty-one thousand, six hundred forty-two".