40091919104 has 36 divisors (see below), whose sum is σ = 80638191480. Its totient is φ = 19892920320.

The previous prime is 40091919079. The next prime is 40091919121. The reversal of 40091919104 is 40191919004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564209 + ... + 631280.

Almost surely, 2^40091919104 is an apocalyptic number.

It is an amenable number.

40091919104 is an abundant number, since it is smaller than the sum of its proper divisors (40546272376).

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

40091919104 is a wasteful number, since it uses less digits than its factorization.

40091919104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195636 (or 1195622 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 40091919104 in words is "forty billion, ninety-one million, nine hundred nineteen thousand, one hundred four".