40636120 has 64 divisors (see below), whose sum is σ = 110652480. Its totient is φ = 13111296.

The previous prime is 40636093. The next prime is 40636151. The reversal of 40636120 is 2163604.

40636120 is nontrivially palindromic in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 40636091 and 40636100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492 + ... + 9028.

It is an arithmetic number, because the mean of its divisors is an integer number (1728945).

Almost surely, 2^40636120 is an apocalyptic number.

40636120 is a gapful number since it is divisible by the number (40) 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 40636120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55326240).

40636120 is an abundant number, since it is smaller than the sum of its proper divisors (70016360).

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

40636120 is a wasteful number, since it uses less digits than its factorization.

40636120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572 (or 8568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40636120 is about 6374.6466568744. The cubic root of 40636120 is about 343.7985795806.

Adding to 40636120 its reverse (2163604), we get a palindrome (42799724).

The spelling of 40636120 in words is "forty million, six hundred thirty-six thousand, one hundred twenty".