40112250 has 64 divisors (see below), whose sum is σ = 101537280. Its totient is φ = 10545600.

The previous prime is 40112243. The next prime is 40112257. The reversal of 40112250 is 5221104.

It is an interprime number because it is at equal distance from previous prime (40112243) and next prime (40112257).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58912 + ... + 59588.

It is an arithmetic number, because the mean of its divisors is an integer number (1586520).

Almost surely, 2^40112250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40112250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50768640).

40112250 is an abundant number, since it is smaller than the sum of its proper divisors (61425030).

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

40112250 is a wasteful number, since it uses less digits than its factorization.

40112250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40112250 is about 6333.4232449758. The cubic root of 40112250 is about 342.3147985538.

Adding to 40112250 its reverse (5221104), we get a palindrome (45333354).

The spelling of 40112250 in words is "forty million, one hundred twelve thousand, two hundred fifty".