404052481 has 24 divisors (see below), whose sum is σ = 513755136. Its totient is φ = 315423360.

The previous prime is 404052463. The next prime is 404052487. The reversal of 404052481 is 184250404.

It is not a de Polignac number, because 404052481 - 2⁷ = 404052353 is a prime.

It is a super-2 number, since 2×404052481² = 326516814804510722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404052487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18000 + ... + 33646.

It is an arithmetic number, because the mean of its divisors is an integer number (21406464).

Almost surely, 2^404052481 is an apocalyptic number.

It is an amenable number.

404052481 is a deficient number, since it is larger than the sum of its proper divisors (109702655).

404052481 is a wasteful number, since it uses less digits than its factorization.

404052481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709 (or 15702 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 404052481 is about 20101.0567135163. The cubic root of 404052481 is about 739.2861883453.

The spelling of 404052481 in words is "four hundred four million, fifty-two thousand, four hundred eighty-one".