4021002041406 has 64 divisors (see below), whose sum is σ = 9273090567168. Its totient is φ = 1138581093888.

The previous prime is 4021002041363. The next prime is 4021002041471. The reversal of 4021002041406 is 6041402001204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57852231 + ... + 57921693.

It is an arithmetic number, because the mean of its divisors is an integer number (144892040112).

Almost surely, 2^{4021002041406} is an apocalyptic number.

4021002041406 is an abundant number, since it is smaller than the sum of its proper divisors (5252088525762).

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

4021002041406 is a wasteful number, since it uses less digits than its factorization.

4021002041406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81785.

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 4021002041406 in words is "four trillion, twenty-one billion, two million, forty-one thousand, four hundred six".