40448840008 has 8 divisors (see below), whose sum is σ = 75841575030. Its totient is φ = 20224420000.

The previous prime is 40448839939. The next prime is 40448840039. The reversal of 40448840008 is 80004884404.

It can be written as a sum of positive squares in only one way, i.e., 36047579044 + 4401260964 = 189862^2 + 66342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40448840008² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528052493 + ... + 2528052508.

Almost surely, 2^40448840008 is an apocalyptic number.

It is an amenable number.

40448840008 is a deficient number, since it is larger than the sum of its proper divisors (35392735022).

40448840008 is a wasteful number, since it uses less digits than its factorization.

40448840008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056105007 (or 5056105003 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 40448840008 in words is "forty billion, four hundred forty-eight million, eight hundred forty thousand, eight".