404404404740 has 24 divisors (see below), whose sum is σ = 970570571712. Its totient is φ = 138652938720.

The previous prime is 404404404713. The next prime is 404404404743. The reversal of 404404404740 is 47404404404.

It is a super-2 number, since 2×404404404740² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 404404404740.

It is not an unprimeable number, because it can be changed into a prime (404404404743) 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 in 7 ways as a sum of consecutive naturals, for example, 1444301306 + ... + 1444301585.

It is an arithmetic number, because the mean of its divisors is an integer number (40440440488).

Almost surely, 2^404404404740 is an apocalyptic number.

It is an amenable number.

404404404740 is an abundant number, since it is smaller than the sum of its proper divisors (566166166972).

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

404404404740 is a wasteful number, since it uses less digits than its factorization.

404404404740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888602907 (or 2888602905 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 35.

The spelling of 404404404740 in words is "four hundred four billion, four hundred four million, four hundred four thousand, seven hundred forty".