40535808 has 72 divisors (see below), whose sum is σ = 110277888. Its totient is φ = 13212672.

The previous prime is 40535783. The next prime is 40535809. The reversal of 40535808 is 80853504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40535809) 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, 35535 + ... + 36657.

Almost surely, 2^40535808 is an apocalyptic number.

40535808 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 40535808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55138944).

40535808 is an abundant number, since it is smaller than the sum of its proper divisors (69742080).

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

40535808 is a wasteful number, since it uses less digits than its factorization.

40535808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 40535808 is about 6366.7737512809. The cubic root of 40535808 is about 343.5154526503.

The spelling of 40535808 in words is "forty million, five hundred thirty-five thousand, eight hundred eight".