40035953808 has 160 divisors (see below), whose sum is σ = 116087748480. Its totient is φ = 13210030080.

The previous prime is 40035953807. The next prime is 40035953813. The reversal of 40035953808 is 80835953004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40035953801) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33558460 + ... + 33559652.

It is an arithmetic number, because the mean of its divisors is an integer number (725548428).

Almost surely, 2^40035953808 is an apocalyptic number.

40035953808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40035953808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58043874240).

40035953808 is an abundant number, since it is smaller than the sum of its proper divisors (76051794672).

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

40035953808 is a wasteful number, since it uses less digits than its factorization.

40035953808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 40035953808 in words is "forty billion, thirty-five million, nine hundred fifty-three thousand, eight hundred eight".