40208868004 has 12 divisors (see below), whose sum is σ = 71062208028. Its totient is φ = 19905380000.

The previous prime is 40208868001. The next prime is 40208868023. The reversal of 40208868004 is 40086880204.

It can be written as a sum of positive squares in 2 ways, for example, as 39620902500 + 587965504 = 199050^2 + 24248^2 .

It is not an unprimeable number, because it can be changed into a prime (40208868001) 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, 49763047 + ... + 49763854.

It is an arithmetic number, because the mean of its divisors is an integer number (5921850669).

Almost surely, 2^40208868004 is an apocalyptic number.

It is an amenable number.

40208868004 is a deficient number, since it is larger than the sum of its proper divisors (30853340024).

40208868004 is a wasteful number, since it uses less digits than its factorization.

40208868004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99527006 (or 99527004 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 40208868004 in words is "forty billion, two hundred eight million, eight hundred sixty-eight thousand, four".