40578255 has 12 divisors (see below), whose sum is σ = 70335720. Its totient is φ = 21641712.

The previous prime is 40578227. The next prime is 40578277. The reversal of 40578255 is 55287504.

It is a happy number.

It is not a de Polignac number, because 40578255 - 2⁹ = 40577743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450825 + ... + 450914.

It is an arithmetic number, because the mean of its divisors is an integer number (5861310).

Almost surely, 2^40578255 is an apocalyptic number.

40578255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40578255 is a deficient number, since it is larger than the sum of its proper divisors (29757465).

40578255 is a wasteful number, since it uses less digits than its factorization.

40578255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901750 (or 901747 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 40578255 is about 6370.1063570399. The cubic root of 40578255 is about 343.6353146895.

The spelling of 40578255 in words is "forty million, five hundred seventy-eight thousand, two hundred fifty-five".