404006733340 has 24 divisors (see below), whose sum is σ = 969616160352. Its totient is φ = 138516594240.

The previous prime is 404006733287. The next prime is 404006733359. The reversal of 404006733340 is 43337600404.

It is a junction number, because it is equal to n+sod(n) for n = 404006733296 and 404006733305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442881051 + ... + 1442881330.

It is an arithmetic number, because the mean of its divisors is an integer number (40400673348).

Almost surely, 2^404006733340 is an apocalyptic number.

It is an amenable number.

404006733340 is an abundant number, since it is smaller than the sum of its proper divisors (565609427012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404006733340 is a wasteful number, since it uses less digits than its factorization.

404006733340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885762397 (or 2885762395 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 404006733340 in words is "four hundred four billion, six million, seven hundred thirty-three thousand, three hundred forty".