40547500 has 90 divisors (see below), whose sum is σ = 103457508. Its totient is φ = 13860000.

The previous prime is 40547497. The next prime is 40547557. The reversal of 40547500 is 574504.

40547500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 122335 + ... + 122665.

Almost surely, 2^40547500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40547500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51728754).

40547500 is an abundant number, since it is smaller than the sum of its proper divisors (62910008).

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

40547500 is a wasteful number, since it uses less digits than its factorization.

40547500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 40547500 is about 6367.6918895311. The cubic root of 40547500 is about 343.5484769217.

The spelling of 40547500 in words is "forty million, five hundred forty-seven thousand, five hundred".