40250 has 32 divisors (see below), whose sum is σ = 89856. Its totient is φ = 13200.

The previous prime is 40241. The next prime is 40253. The reversal of 40250 is 5204.

It is a sliding number, since 40250 = 250 + 40000 and 1/250 + 1/40000 = 0.0040250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739 + ... + 1761.

It is an arithmetic number, because the mean of its divisors is an integer number (2808).

2⁴⁰²⁵⁰ is an apocalyptic number.

40250 is an abundant number, since it is smaller than the sum of its proper divisors (49606).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44928).

40250 is a wasteful number, since it uses less digits than its factorization.

40250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 40250 is about 200.6240264774. The cubic root of 40250 is about 34.2706200092.

Adding to 40250 its reverse (5204), we get a palindrome (45454).

It can be divided in two parts, 402 and 50, that multiplied together give a triangular number (20100 = T₂₀₀).

The spelling of 40250 in words is "forty thousand, two hundred fifty".