404036740 has 48 divisors (see below), whose sum is σ = 858775680. Its totient is φ = 159667200.

The previous prime is 404036687. The next prime is 404036747. The reversal of 404036740 is 47630404.

It is a junction number, because it is equal to n+sod(n) for n = 404036699 and 404036708.

It is not an unprimeable number, because it can be changed into a prime (404036747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065871 + ... + 1066249.

It is an arithmetic number, because the mean of its divisors is an integer number (17891160).

Almost surely, 2^404036740 is an apocalyptic number.

It is an amenable number.

404036740 is an abundant number, since it is smaller than the sum of its proper divisors (454738940).

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

404036740 is a wasteful number, since it uses less digits than its factorization.

404036740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 404036740 is about 20100.6651631233. The cubic root of 404036740 is about 739.2765878968.

The spelling of 404036740 in words is "four hundred four million, thirty-six thousand, seven hundred forty".