404481437312 has 16 divisors (see below), whose sum is σ = 805802863650. Its totient is φ = 202240718592.

The previous prime is 404481437299. The next prime is 404481437377. The reversal of 404481437312 is 213734184404.

It can be written as a sum of positive squares in only one way, i.e., 373496988736 + 30984448576 = 611144^2 + 176024^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 404481437312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580005487 + ... + 1580005742.

Almost surely, 2^404481437312 is an apocalyptic number.

It is an amenable number.

404481437312 is a deficient number, since it is larger than the sum of its proper divisors (401321426338).

404481437312 is an equidigital number, since it uses as much as digits as its factorization.

404481437312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160011243 (or 3160011231 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 404481437312 in words is "four hundred four billion, four hundred eighty-one million, four hundred thirty-seven thousand, three hundred twelve".