4021402412032 has 176 divisors, whose sum is σ = 8596849766400. Its totient is φ = 1874612920320.

The previous prime is 4021402412029. The next prime is 4021402412033. The reversal of 4021402412032 is 2302142041204.

It is a junction number, because it is equal to n+sod(n) for n = 4021402411988 and 4021402412006.

It is not an unprimeable number, because it can be changed into a prime (4021402412033) 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, 855069393 + ... + 855074095.

Almost surely, 2^{4021402412032} 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 4021402412032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4298424883200).

4021402412032 is an abundant number, since it is smaller than the sum of its proper divisors (4575447354368).

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

4021402412032 is a wasteful number, since it uses less digits than its factorization.

4021402412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 4021402412032 its reverse (2302142041204), we get a palindrome (6323544453236).

The spelling of 4021402412032 in words is "four trillion, twenty-one billion, four hundred two million, four hundred twelve thousand, thirty-two".