40556036 has 24 divisors (see below), whose sum is σ = 73720920. Its totient is φ = 19498752.

The previous prime is 40556023. The next prime is 40556057. The reversal of 40556036 is 63065504.

It can be written as a sum of positive squares in 4 ways, for example, as 2190400 + 38365636 = 1480^2 + 6194^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35750 + ... + 36866.

It is an arithmetic number, because the mean of its divisors is an integer number (3071705).

Almost surely, 2^40556036 is an apocalyptic number.

It is an amenable number.

40556036 is a deficient number, since it is larger than the sum of its proper divisors (33164884).

40556036 is a wasteful number, since it uses less digits than its factorization.

40556036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 40556036 is about 6368.3621128199. The cubic root of 40556036 is about 343.5725830034.

The spelling of 40556036 in words is "forty million, five hundred fifty-six thousand, thirty-six".