40255470 has 48 divisors (see below), whose sum is σ = 105047280. Its totient is φ = 10695552.

The previous prime is 40255447. The next prime is 40255493. The reversal of 40255470 is 7455204.

40255470 is a `hidden beast` number, since 40 + 2 + 554 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (40255447) and next prime (40255493).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30586 + ... + 31874.

It is an arithmetic number, because the mean of its divisors is an integer number (2188485).

Almost surely, 2^40255470 is an apocalyptic number.

40255470 is an abundant number, since it is smaller than the sum of its proper divisors (64791810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40255470 is a wasteful number, since it uses less digits than its factorization.

40255470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40255470 is about 6344.7198519714. The cubic root of 40255470 is about 342.7217240502.

The spelling of 40255470 in words is "forty million, two hundred fifty-five thousand, four hundred seventy".