240404205604 has 12 divisors (see below), whose sum is σ = 420711388300. Its totient is φ = 120200951808.

The previous prime is 240404205583. The next prime is 240404205647. The reversal of 240404205604 is 406502404042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139127508004 + 101276697600 = 372998^2 + 318240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329152 + ... + 767560.

Almost surely, 2^240404205604 is an apocalyptic number.

It is an amenable number.

240404205604 is a deficient number, since it is larger than the sum of its proper divisors (180307182696).

240404205604 is a wasteful number, since it uses less digits than its factorization.

240404205604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575502 (or 575500 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 240404205604 its reverse (406502404042), we get a palindrome (646906609646).

The spelling of 240404205604 in words is "two hundred forty billion, four hundred four million, two hundred five thousand, six hundred four".