84403404020 has 48 divisors (see below), whose sum is σ = 192665547648. Its totient is φ = 30873068160.

The previous prime is 84403403957. The next prime is 84403404031. The reversal of 84403404020 is 2040430448.

It is a super-2 number, since 2×84403404020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489136 + ... + 1544775.

It is an arithmetic number, because the mean of its divisors is an integer number (4013865576).

Almost surely, 2^84403404020 is an apocalyptic number.

It is an amenable number.

84403404020 is an abundant number, since it is smaller than the sum of its proper divisors (108262143628).

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

84403404020 is a wasteful number, since it uses less digits than its factorization.

84403404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034040 (or 3034038 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 84403404020 its reverse (2040430448), we get a palindrome (86443834468).

The spelling of 84403404020 in words is "eighty-four billion, four hundred three million, four hundred four thousand, twenty".