40535556 has 12 divisors (see below), whose sum is σ = 94582992. Its totient is φ = 13511848.

The previous prime is 40535549. The next prime is 40535563. The reversal of 40535556 is 65553504.

It is an interprime number because it is at equal distance from previous prime (40535549) and next prime (40535563).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688970 + ... + 1688993.

It is an arithmetic number, because the mean of its divisors is an integer number (7881916).

Almost surely, 2^40535556 is an apocalyptic number.

It is an amenable number.

40535556 is an abundant number, since it is smaller than the sum of its proper divisors (54047436).

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

40535556 is a wasteful number, since it uses less digits than its factorization.

40535556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377970 (or 3377968 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 40535556 is about 6366.7539610071. The cubic root of 40535556 is about 343.5147408017.

The spelling of 40535556 in words is "forty million, five hundred thirty-five thousand, five hundred fifty-six".