4041204021405 has 64 divisors (see below), whose sum is σ = 7566525100800. Its totient is φ = 2040781236480.

The previous prime is 4041204021343. The next prime is 4041204021469. The reversal of 4041204021405 is 5041204021404.

4041204021405 is a `hidden beast` number, since 404 + 1 + 2 + 0 + 40 + 214 + 0 + 5 = 666.

It is not a de Polignac number, because 4041204021405 - 2²² = 4041199827101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4394815 + ... + 5234195.

It is an arithmetic number, because the mean of its divisors is an integer number (118226954700).

Almost surely, 2^{4041204021405} is an apocalyptic number.

4041204021405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4041204021405 is a deficient number, since it is larger than the sum of its proper divisors (3525321079395).

4041204021405 is a wasteful number, since it uses less digits than its factorization.

4041204021405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841291 (or 841285 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 4041204021405 its reverse (5041204021404), we get a palindrome (9082408042809).

Subtracting 4041204021405 from its reverse (5041204021404), we obtain a palindrome (999999999999).

The spelling of 4041204021405 in words is "four trillion, forty-one billion, two hundred four million, twenty-one thousand, four hundred five".