40625910 has 72 divisors (see below), whose sum is σ = 114420384. Its totient is φ = 9996480.

The previous prime is 40625899. The next prime is 40625911. The reversal of 40625910 is 1952604.

40625910 is a `hidden beast` number, since 406 + 259 + 1 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40625911) 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 35 ways as a sum of consecutive naturals, for example, 13875 + ... + 16545.

It is an arithmetic number, because the mean of its divisors is an integer number (1589172).

Almost surely, 2^40625910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40625910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57210192).

40625910 is an abundant number, since it is smaller than the sum of its proper divisors (73794474).

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

40625910 is a wasteful number, since it uses less digits than its factorization.

40625910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 40625910 is about 6373.8457778644. The cubic root of 40625910 is about 343.7697835446.

The spelling of 40625910 in words is "forty million, six hundred twenty-five thousand, nine hundred ten".