404048444 has 12 divisors (see below), whose sum is σ = 707691768. Its totient is φ = 201850800.

The previous prime is 404048443. The next prime is 404048479. The reversal of 404048444 is 444840404.

It is a super-2 number, since 2×404048444² = 326510290197642272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404048444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404048441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38042 + ... + 47489.

It is an arithmetic number, because the mean of its divisors is an integer number (58974314).

Almost surely, 2^404048444 is an apocalyptic number.

It is an amenable number.

404048444 is a deficient number, since it is larger than the sum of its proper divisors (303643324).

404048444 is a wasteful number, since it uses less digits than its factorization.

404048444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86716 (or 86714 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 404048444 is about 20100.9562956592. The cubic root of 404048444 is about 739.2837261995.

Adding to 404048444 its reverse (444840404), we get a palindrome (848888848).

The spelling of 404048444 in words is "four hundred four million, forty-eight thousand, four hundred forty-four".