40116625 has 16 divisors (see below), whose sum is σ = 50244480. Its totient is φ = 31978800.

The previous prime is 40116613. The next prime is 40116641. The reversal of 40116625 is 52661104.

It is not a de Polignac number, because 40116625 - 2¹⁷ = 39985553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40116625.

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, 60546 + ... + 61204.

It is an arithmetic number, because the mean of its divisors is an integer number (3140280).

Almost surely, 2^40116625 is an apocalyptic number.

It is an amenable number.

40116625 is a deficient number, since it is larger than the sum of its proper divisors (10127855).

40116625 is an equidigital number, since it uses as much as digits as its factorization.

40116625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40116625 is about 6333.7686253920. The cubic root of 40116625 is about 342.3272434037.

Adding to 40116625 its reverse (52661104), we get a palindrome (92777729).

The spelling of 40116625 in words is "forty million, one hundred sixteen thousand, six hundred twenty-five".