4021404004445 has 8 divisors (see below), whose sum is σ = 4825703524320. Its totient is φ = 3217110724240.

The previous prime is 4021404004439. The next prime is 4021404004447. The reversal of 4021404004445 is 5444004041204.

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

It is not a de Polignac number, because 4021404004445 - 2²⁶ = 4021336895581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021404004447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 2835984.

It is an arithmetic number, because the mean of its divisors is an integer number (603212940540).

Almost surely, 2^{4021404004445} is an apocalyptic number.

It is an amenable number.

4021404004445 is a deficient number, since it is larger than the sum of its proper divisors (804299519875).

4021404004445 is a wasteful number, since it uses less digits than its factorization.

4021404004445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119835.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 4021404004445 its reverse (5444004041204), we get a palindrome (9465408045649).

The spelling of 4021404004445 in words is "four trillion, twenty-one billion, four hundred four million, four thousand, four hundred forty-five".