40037250 has 128 divisors (see below), whose sum is σ = 114296832. Its totient is φ = 9240000.

The previous prime is 40037203. The next prime is 40037299. The reversal of 40037250 is 5273004.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189645 + ... + 189855.

It is an arithmetic number, because the mean of its divisors is an integer number (892944).

Almost surely, 2^40037250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40037250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57148416).

40037250 is an abundant number, since it is smaller than the sum of its proper divisors (74259582).

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

40037250 is a wasteful number, since it uses less digits than its factorization.

40037250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 40037250 is about 6327.4995061240. The cubic root of 40037250 is about 342.1013174049.

The spelling of 40037250 in words is "forty million, thirty-seven thousand, two hundred fifty".