4021443013398 has 32 divisors (see below), whose sum is σ = 8469344918400. Its totient is φ = 1269457007616.

The previous prime is 4021443013391. The next prime is 4021443013411. The reversal of 4021443013398 is 8933103441204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021443013391) 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, 6252736 + ... + 6865827.

It is an arithmetic number, because the mean of its divisors is an integer number (264667028700).

Almost surely, 2^{4021443013398} is an apocalyptic number.

4021443013398 is an abundant number, since it is smaller than the sum of its proper divisors (4447901905002).

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

4021443013398 is a wasteful number, since it uses less digits than its factorization.

4021443013398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121276.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 4021443013398 in words is "four trillion, twenty-one billion, four hundred forty-three million, thirteen thousand, three hundred ninety-eight".