40540250 has 32 divisors (see below), whose sum is σ = 78354432. Its totient is φ = 15690000.

The previous prime is 40540249. The next prime is 40540303. The reversal of 40540250 is 5204504.

It is a happy 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, 5135 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (2448576).

Almost surely, 2^40540250 is an apocalyptic number.

40540250 is a deficient number, since it is larger than the sum of its proper divisors (37814182).

40540250 is a wasteful number, since it uses less digits than its factorization.

40540250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5269 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 40540250 is about 6367.1225840249. The cubic root of 40540250 is about 343.5279999098.

Adding to 40540250 its reverse (5204504), we get a palindrome (45744754).

The spelling of 40540250 in words is "forty million, five hundred forty thousand, two hundred fifty".