40118625 has 32 divisors (see below), whose sum is σ = 74181120. Its totient is φ = 21394800.

The previous prime is 40118591. The next prime is 40118641. The reversal of 40118625 is 52681104.

It is not a de Polignac number, because 40118625 - 2¹⁰ = 40117601 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2569 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (2318160).

Almost surely, 2^40118625 is an apocalyptic number.

40118625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40118625 is a deficient number, since it is larger than the sum of its proper divisors (34062495).

40118625 is a wasteful number, since it uses less digits than its factorization.

40118625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911 (or 11895 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 40118625 is about 6333.9265073097. The cubic root of 40118625 is about 342.3329321766.

Adding to 40118625 its reverse (52681104), we get a palindrome (92799729).

The spelling of 40118625 in words is "forty million, one hundred eighteen thousand, six hundred twenty-five".