4021432401005 has 16 divisors (see below), whose sum is σ = 5079965829120. Its totient is φ = 3047665405248.

The previous prime is 4021432400927. The next prime is 4021432401011. The reversal of 4021432401005 is 5001042341204.

It is a cyclic number.

It is not a de Polignac number, because 4021432401005 - 2²² = 4021428206701 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 779579 + ... + 2941191.

It is an arithmetic number, because the mean of its divisors is an integer number (317497864320).

Almost surely, 2^{4021432401005} is an apocalyptic number.

It is an amenable number.

4021432401005 is a deficient number, since it is larger than the sum of its proper divisors (1058533428115).

4021432401005 is a wasteful number, since it uses less digits than its factorization.

4021432401005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181220.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 4021432401005 its reverse (5001042341204), we get a palindrome (9022474742209).

The spelling of 4021432401005 in words is "four trillion, twenty-one billion, four hundred thirty-two million, four hundred one thousand, five".