40625505 has 12 divisors (see below), whose sum is σ = 70417620. Its totient is φ = 21666912.

The previous prime is 40625489. The next prime is 40625527. The reversal of 40625505 is 50552604.

40625505 is a `hidden beast` number, since 406 + 255 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 8714304 = 5649^2 + 2952^2 .

It is not a de Polignac number, because 40625505 - 2⁴ = 40625489 is a prime.

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, 451350 + ... + 451439.

It is an arithmetic number, because the mean of its divisors is an integer number (5868135).

Almost surely, 2^40625505 is an apocalyptic number.

40625505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40625505 is a deficient number, since it is larger than the sum of its proper divisors (29792115).

40625505 is a wasteful number, since it uses less digits than its factorization.

40625505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902800 (or 902797 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40625505 is about 6373.8140073272. The cubic root of 40625505 is about 343.7686411929.

The spelling of 40625505 in words is "forty million, six hundred twenty-five thousand, five hundred five".