40653250 has 32 divisors (see below), whose sum is σ = 83026944. Its totient is φ = 14782000.

The previous prime is 40653199. The next prime is 40653253. The reversal of 40653250 is 5235604.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40653253) 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 in 15 ways as a sum of consecutive naturals, for example, 4642 + ... + 10141.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 2^40653250 is an apocalyptic number.

40653250 is an abundant number, since it is smaller than the sum of its proper divisors (42373694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40653250 is a wasteful number, since it uses less digits than its factorization.

40653250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14811 (or 14801 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40653250 is about 6375.9901191893. The cubic root of 40653250 is about 343.8468817834.

Adding to 40653250 its reverse (5235604), we get a palindrome (45888854).

The spelling of 40653250 in words is "forty million, six hundred fifty-three thousand, two hundred fifty".