40248825 has 12 divisors (see below), whose sum is σ = 66544848. Its totient is φ = 21466000.

The previous prime is 40248823. The next prime is 40248847. The reversal of 40248825 is 52884204.

It is a happy number.

It is not a de Polignac number, because 40248825 - 2¹ = 40248823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40248823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268251 + ... + 268400.

It is an arithmetic number, because the mean of its divisors is an integer number (5545404).

Almost surely, 2^40248825 is an apocalyptic number.

It is an amenable number.

40248825 is a deficient number, since it is larger than the sum of its proper divisors (26296023).

40248825 is a wasteful number, since it uses less digits than its factorization.

40248825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536664 (or 536659 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 40248825 is about 6344.1961665762. The cubic root of 40248825 is about 342.7028652369.

It can be divided in two parts, 40 and 248825, that added together give a triangular number (248865 = T₇₀₅).

The spelling of 40248825 in words is "forty million, two hundred forty-eight thousand, eight hundred twenty-five".