40308911008 has 48 divisors (see below), whose sum is σ = 83616624000. Its totient is φ = 19075018752.

The previous prime is 40308910997. The next prime is 40308911009. The reversal of 40308911008 is 80011980304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40308911009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599808 + ... + 663616.

It is an arithmetic number, because the mean of its divisors is an integer number (1742013000).

Almost surely, 2^40308911008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40308911008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41808312000).

40308911008 is an abundant number, since it is smaller than the sum of its proper divisors (43307712992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40308911008 is a wasteful number, since it uses less digits than its factorization.

40308911008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64877 (or 64869 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 40308911008 in words is "forty billion, three hundred eight million, nine hundred eleven thousand, eight".