40619975 has 12 divisors (see below), whose sum is σ = 54948120. Its totient is φ = 29541600.

The previous prime is 40619963. The next prime is 40619977. The reversal of 40619975 is 57991604.

It is not a de Polignac number, because 40619975 - 2⁴ = 40619959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40619977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73580 + ... + 74129.

It is an arithmetic number, because the mean of its divisors is an integer number (4579010).

Almost surely, 2^40619975 is an apocalyptic number.

40619975 is a deficient number, since it is larger than the sum of its proper divisors (14328145).

40619975 is a wasteful number, since it uses less digits than its factorization.

40619975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147730 (or 147725 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 40619975 is about 6373.3801863689. The cubic root of 40619975 is about 343.7530423973.

The spelling of 40619975 in words is "forty million, six hundred nineteen thousand, nine hundred seventy-five".