1040408080808 has 16 divisors (see below), whose sum is σ = 1951364145780. Its totient is φ = 520044308608.

The previous prime is 1040408080801. The next prime is 1040408080861. The reversal of 1040408080808 is 8080808040401.

It can be written as a sum of positive squares in 2 ways, for example, as 1039955327524 + 452753284 = 1019782^2 + 21278^2 .

It is a super-2 number, since 2×1040408080808² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040408080801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19938791 + ... + 19990902.

Almost surely, 2^{1040408080808} is an apocalyptic number.

It is an amenable number.

1040408080808 is a deficient number, since it is larger than the sum of its proper divisors (910956064972).

1040408080808 is a wasteful number, since it uses less digits than its factorization.

1040408080808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39932956 (or 39932952 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The spelling of 1040408080808 in words is "one trillion, forty billion, four hundred eight million, eighty thousand, eight hundred eight".