40540124 has 12 divisors (see below), whose sum is σ = 72284184. Its totient is φ = 19887504.

The previous prime is 40540117. The next prime is 40540127. The reversal of 40540124 is 42104504.

It is a junction number, because it is equal to n+sod(n) for n = 40540096 and 40540105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95402 + ... + 95825.

It is an arithmetic number, because the mean of its divisors is an integer number (6023682).

Almost surely, 2^40540124 is an apocalyptic number.

It is an amenable number.

40540124 is a deficient number, since it is larger than the sum of its proper divisors (31744060).

40540124 is a wasteful number, since it uses less digits than its factorization.

40540124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191284 (or 191282 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40540124 is about 6367.1126894378. The cubic root of 40540124 is about 343.5276440119.

Adding to 40540124 its reverse (42104504), we get a palindrome (82644628).

The spelling of 40540124 in words is "forty million, five hundred forty thousand, one hundred twenty-four".