4021423141404 has 24 divisors (see below), whose sum is σ = 9383394271888. Its totient is φ = 1340463864960.

The previous prime is 4021423141387. The next prime is 4021423141451. The reversal of 4021423141404 is 4041413241204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364824 + ... + 2859360.

Almost surely, 2^{4021423141404} is an apocalyptic number.

It is an amenable number.

4021423141404 is an abundant number, since it is smaller than the sum of its proper divisors (5361971130484).

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

4021423141404 is a wasteful number, since it uses less digits than its factorization.

4021423141404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628885 (or 2628883 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 4021423141404 its reverse (4041413241204), we get a palindrome (8062836382608).

The spelling of 4021423141404 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred forty-one thousand, four hundred four".