40559136 has 48 divisors (see below), whose sum is σ = 106795584. Its totient is φ = 13478144.

The previous prime is 40559119. The next prime is 40559147. The reversal of 40559136 is 63195504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 40559097 and 40559106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61786 + ... + 62438.

It is an arithmetic number, because the mean of its divisors is an integer number (2224908).

Almost surely, 2^40559136 is an apocalyptic number.

It is an amenable number.

40559136 is an abundant number, since it is smaller than the sum of its proper divisors (66236448).

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

40559136 is a wasteful number, since it uses less digits than its factorization.

40559136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 40559136 is about 6368.6054988514. The cubic root of 40559136 is about 343.5813367178.

The spelling of 40559136 in words is "forty million, five hundred fifty-nine thousand, one hundred thirty-six".