40250260 has 36 divisors (see below), whose sum is σ = 87577308. Its totient is φ = 15538432.

The previous prime is 40250251. The next prime is 40250281. The reversal of 40250260 is 6205204.

It can be written as a sum of positive squares in 6 ways, for example, as 5180176 + 35070084 = 2276^2 + 5922^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15624 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (2432703).

Almost surely, 2^40250260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40250260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43788654).

40250260 is an abundant number, since it is smaller than the sum of its proper divisors (47327048).

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

40250260 is a wasteful number, since it uses less digits than its factorization.

40250260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40250260 is about 6344.3092610622. The cubic root of 40250260 is about 342.7069380082.

Adding to 40250260 its reverse (6205204), we get a palindrome (46455464).

The spelling of 40250260 in words is "forty million, two hundred fifty thousand, two hundred sixty".