40578075 has 18 divisors (see below), whose sum is σ = 72680244. Its totient is φ = 21641520.

The previous prime is 40578071. The next prime is 40578077. The reversal of 40578075 is 57087504.

40578075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40578075 - 2² = 40578071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40578071) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 89949 + ... + 90398.

Almost surely, 2^40578075 is an apocalyptic number.

40578075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40578075 is a deficient number, since it is larger than the sum of its proper divisors (32102169).

40578075 is a wasteful number, since it uses less digits than its factorization.

40578075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180363 (or 180355 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 40578075 is about 6370.0922285317. The cubic root of 40578075 is about 343.6348065811.

The spelling of 40578075 in words is "forty million, five hundred seventy-eight thousand, seventy-five".