1040604433366 has 4 divisors (see below), whose sum is σ = 1560906650052. Its totient is φ = 520302216682.

The previous prime is 1040604433307. The next prime is 1040604433397. The reversal of 1040604433366 is 6633344060401.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260151108340 + ... + 260151108343.

It is an arithmetic number, because the mean of its divisors is an integer number (390226662513).

Almost surely, 2^{1040604433366} is an apocalyptic number.

1040604433366 is a deficient number, since it is larger than the sum of its proper divisors (520302216686).

1040604433366 is an equidigital number, since it uses as much as digits as its factorization.

1040604433366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520302216685.

The product of its (nonzero) digits is 373248, while the sum is 40.

Adding to 1040604433366 its reverse (6633344060401), we get a palindrome (7673948493767).

It can be divided in two parts, 1040 and 604433366, that added together give a palindrome (604434406).

The spelling of 1040604433366 in words is "one trillion, forty billion, six hundred four million, four hundred thirty-three thousand, three hundred sixty-six".