404220461436 has 72 divisors (see below), whose sum is σ = 1115575388928. Its totient is φ = 122391396000.

The previous prime is 404220461357. The next prime is 404220461459. The reversal of 404220461436 is 634164022404.

404220461436 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 2 + 0 + 4 + 614 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 404220461436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72871 + ... + 902081.

It is an arithmetic number, because the mean of its divisors is an integer number (15494102624).

Almost surely, 2^404220461436 is an apocalyptic number.

It is an amenable number.

404220461436 is an abundant number, since it is smaller than the sum of its proper divisors (711354927492).

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

404220461436 is a wasteful number, since it uses less digits than its factorization.

404220461436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830463 (or 830458 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 404220461436 in words is "four hundred four billion, two hundred twenty million, four hundred sixty-one thousand, four hundred thirty-six".