404348720481 has 6 divisors (see below), whose sum is σ = 584059262930. Its totient is φ = 269565813648.

The previous prime is 404348720431. The next prime is 404348720543. The reversal of 404348720481 is 184027843404.

404348720481 is a `hidden beast` number, since 4 + 0 + 434 + 8 + 7 + 204 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 257475056400 + 146873664081 = 507420^2 + 383241^2 .

It is not a de Polignac number, because 404348720481 - 2⁶ = 404348720417 is a prime.

It is a super-2 number, since 2×404348720481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404348720431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22463817796 + ... + 22463817813.

Almost surely, 2^404348720481 is an apocalyptic number.

It is an amenable number.

404348720481 is a deficient number, since it is larger than the sum of its proper divisors (179710542449).

404348720481 is a wasteful number, since it uses less digits than its factorization.

404348720481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44927635615 (or 44927635612 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 404348720481 in words is "four hundred four billion, three hundred forty-eight million, seven hundred twenty thousand, four hundred eighty-one".