4021401032 has 64 divisors (see below), whose sum is σ = 8451959040. Its totient is φ = 1777881600.

The previous prime is 4021401031. The next prime is 4021401047. The reversal of 4021401032 is 2301041204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021401032.

It is not an unprimeable number, because it can be changed into a prime (4021401031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322618 + ... + 1325654.

It is an arithmetic number, because the mean of its divisors is an integer number (132061860).

Almost surely, 2^4021401032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021401032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4225979520).

4021401032 is an abundant number, since it is smaller than the sum of its proper divisors (4430558008).

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

4021401032 is a wasteful number, since it uses less digits than its factorization.

4021401032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4021401032 is about 63414.5175176789. The cubic root of 4021401032 is about 1590.2270197846.

Adding to 4021401032 its reverse (2301041204), we get a palindrome (6322442236).

The spelling of 4021401032 in words is "four billion, twenty-one million, four hundred one thousand, thirty-two".