40435719808 has 64 divisors (see below), whose sum is σ = 89748673920. Its totient is φ = 17988782080.

The previous prime is 40435719787. The next prime is 40435719823. The reversal of 40435719808 is 80891753404.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 239341 + ... + 371692.

It is an arithmetic number, because the mean of its divisors is an integer number (1402323030).

Almost surely, 2^40435719808 is an apocalyptic number.

It is an amenable number.

40435719808 is an abundant number, since it is smaller than the sum of its proper divisors (49312954112).

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

40435719808 is a wasteful number, since it uses less digits than its factorization.

40435719808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611105 (or 611093 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 40435719808 in words is "forty billion, four hundred thirty-five million, seven hundred nineteen thousand, eight hundred eight".