4020044460402 has 8 divisors (see below), whose sum is σ = 8040088920816. Its totient is φ = 1340014820132.

The previous prime is 4020044460371. The next prime is 4020044460407. The reversal of 4020044460402 is 2040644400204.

It is a sphenic number, since it is the product of 3 distinct primes.

4020044460402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020044460402.

It is not an unprimeable number, because it can be changed into a prime (4020044460407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335003705028 + ... + 335003705039.

It is an arithmetic number, because the mean of its divisors is an integer number (1005011115102).

Almost surely, 2^{4020044460402} is an apocalyptic number.

4020044460402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4020044460402 is a wasteful number, since it uses less digits than its factorization.

4020044460402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670007410072.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4020044460402 its reverse (2040644400204), we get a palindrome (6060688860606).

The spelling of 4020044460402 in words is "four trillion, twenty billion, forty-four million, four hundred sixty thousand, four hundred two".