40249124 has 6 divisors (see below), whose sum is σ = 70435974. Its totient is φ = 20124560.

The previous prime is 40249091. The next prime is 40249127. The reversal of 40249124 is 42194204.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 4129024 = 6010^2 + 2032^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40249093 and 40249102.

It is not an unprimeable number, because it can be changed into a prime (40249127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5031137 + ... + 5031144.

It is an arithmetic number, because the mean of its divisors is an integer number (11739329).

Almost surely, 2^40249124 is an apocalyptic number.

It is an amenable number.

40249124 is a deficient number, since it is larger than the sum of its proper divisors (30186850).

40249124 is a wasteful number, since it uses less digits than its factorization.

40249124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062285 (or 10062283 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40249124 is about 6344.2197313775. The cubic root of 40249124 is about 342.7037138572.

The spelling of 40249124 in words is "forty million, two hundred forty-nine thousand, one hundred twenty-four".