404140348 has 6 divisors (see below), whose sum is σ = 707245616. Its totient is φ = 202070172.

The previous prime is 404140277. The next prime is 404140349. The reversal of 404140348 is 843041404.

It is a super-2 number, since 2×404140348² = 326658841763122208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404140349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50517540 + ... + 50517547.

Almost surely, 2^404140348 is an apocalyptic number.

It is an amenable number.

404140348 is a deficient number, since it is larger than the sum of its proper divisors (303105268).

404140348 is a wasteful number, since it uses less digits than its factorization.

404140348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101035091 (or 101035089 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 404140348 is about 20103.2422260689. The cubic root of 404140348 is about 739.3397739184.

The spelling of 404140348 in words is "four hundred four million, one hundred forty thousand, three hundred forty-eight".