40251995 has 8 divisors (see below), whose sum is σ = 55202784. Its totient is φ = 27601344.

The previous prime is 40251989. The next prime is 40252019. The reversal of 40251995 is 59915204.

40251995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40251995 - 2⁶ = 40251931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1150057 = 40251995 / (4 + 0 + 2 + 5 + 1 + 9 + 9 + 5).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574994 + ... + 575063.

It is an arithmetic number, because the mean of its divisors is an integer number (6900348).

Almost surely, 2^40251995 is an apocalyptic number.

40251995 is a deficient number, since it is larger than the sum of its proper divisors (14950789).

40251995 is a wasteful number, since it uses less digits than its factorization.

40251995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150069.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 40251995 is about 6344.4459963026. The cubic root of 40251995 is about 342.7118621005.

It can be divided in two parts, 4025199 and 5, that added together give a palindrome (4025204).

The spelling of 40251995 in words is "forty million, two hundred fifty-one thousand, nine hundred ninety-five".