40207250 has 16 divisors (see below), whose sum is σ = 75268440. Its totient is φ = 16082800.

The previous prime is 40207201. The next prime is 40207267. The reversal of 40207250 is 5270204.

It can be written as a sum of positive squares in 4 ways, for example, as 1630729 + 38576521 = 1277^2 + 6211^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80165 + ... + 80664.

Almost surely, 2^40207250 is an apocalyptic number.

40207250 is a deficient number, since it is larger than the sum of its proper divisors (35061190).

40207250 is a wasteful number, since it uses less digits than its factorization.

40207250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160846 (or 160836 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 40207250 is about 6340.9187031534. The cubic root of 40207250 is about 342.5848263442.

Adding to 40207250 its reverse (5270204), we get a palindrome (45477454).

The spelling of 40207250 in words is "forty million, two hundred seven thousand, two hundred fifty".