40636057 has 8 divisors (see below), whose sum is σ = 50663232. Its totient is φ = 31664400.

The previous prime is 40636049. The next prime is 40636061. The reversal of 40636057 is 75063604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40636057 - 2³ = 40636049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40636007) 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, 263794 + ... + 263947.

It is an arithmetic number, because the mean of its divisors is an integer number (6332904).

Almost surely, 2^40636057 is an apocalyptic number.

It is an amenable number.

40636057 is a deficient number, since it is larger than the sum of its proper divisors (10027175).

40636057 is a wasteful number, since it uses less digits than its factorization.

40636057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527759.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 40636057 is about 6374.6417154221. The cubic root of 40636057 is about 343.7984019117.

It can be divided in two parts, 406 and 36057, that added together give a palindrome (36463).

The spelling of 40636057 in words is "forty million, six hundred thirty-six thousand, fifty-seven".