40325250 has 64 divisors (see below), whose sum is σ = 115045632. Its totient is φ = 9216000.

The previous prime is 40325249. The next prime is 40325251. The reversal of 40325250 is 5252304.

It is an interprime number because it is at equal distance from previous prime (40325249) and next prime (40325251).

It is a super-2 number, since 2×40325250² = 3252251575125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40325251) 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, 1410 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (1797588).

Almost surely, 2^40325250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40325250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57522816).

40325250 is an abundant number, since it is smaller than the sum of its proper divisors (74720382).

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

40325250 is a wasteful number, since it uses less digits than its factorization.

40325250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708 (or 7698 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40325250 is about 6350.2165317413. The cubic root of 40325250 is about 342.9196376655.

Adding to 40325250 its reverse (5252304), we get a palindrome (45577554).

The spelling of 40325250 in words is "forty million, three hundred twenty-five thousand, two hundred fifty".