40244525 has 12 divisors (see below), whose sum is σ = 52839252. Its totient is φ = 30301440.

The previous prime is 40244521. The next prime is 40244551. The reversal of 40244525 is 52544204.

It can be written as a sum of positive squares in 6 ways, for example, as 264196 + 39980329 = 514^2 + 6323^2 .

It is not a de Polignac number, because 40244525 - 2² = 40244521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40244494 and 40244503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244521) 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, 46922 + ... + 47771.

It is an arithmetic number, because the mean of its divisors is an integer number (4403271).

Almost surely, 2^40244525 is an apocalyptic number.

It is an amenable number.

40244525 is a deficient number, since it is larger than the sum of its proper divisors (12594727).

40244525 is a wasteful number, since it uses less digits than its factorization.

40244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94720 (or 94715 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 40244525 is about 6343.8572651030. The cubic root of 40244525 is about 342.6906605345.

Adding to 40244525 its reverse (52544204), we get a palindrome (92788729).

The spelling of 40244525 in words is "forty million, two hundred forty-four thousand, five hundred twenty-five".