40548625 has 16 divisors (see below), whose sum is σ = 54499536. Its totient is φ = 29942400.

The previous prime is 40548617. The next prime is 40548649. The reversal of 40548625 is 52684504.

It can be written as a sum of positive squares in 8 ways, for example, as 16184529 + 24364096 = 4023^2 + 4936^2 .

It is not a de Polignac number, because 40548625 - 2³ = 40548617 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10852 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (3406221).

Almost surely, 2^40548625 is an apocalyptic number.

It is an amenable number.

40548625 is a deficient number, since it is larger than the sum of its proper divisors (13950911).

40548625 is a wasteful number, since it uses less digits than its factorization.

40548625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24981 (or 24971 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 40548625 is about 6367.7802254789. The cubic root of 40548625 is about 343.5516541703.

The spelling of 40548625 in words is "forty million, five hundred forty-eight thousand, six hundred twenty-five".