40108851 has 28 divisors (see below), whose sum is σ = 61802592. Its totient is φ = 25999056.

The previous prime is 40108847. The next prime is 40108877. The reversal of 40108851 is 15880104.

It is not a de Polignac number, because 40108851 - 2² = 40108847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40108811) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26230 + ... + 27716.

Almost surely, 2^40108851 is an apocalyptic number.

40108851 is a deficient number, since it is larger than the sum of its proper divisors (21693741).

40108851 is an equidigital number, since it uses as much as digits as its factorization.

40108851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 40108851 is about 6333.1549009952. The cubic root of 40108851 is about 342.3051293474.

Adding to 40108851 its reverse (15880104), we get a palindrome (55988955).

The spelling of 40108851 in words is "forty million, one hundred eight thousand, eight hundred fifty-one".