40225192 has 64 divisors (see below), whose sum is σ = 89303040. Its totient is φ = 16632000.

The previous prime is 40225189. The next prime is 40225193. The reversal of 40225192 is 29152204.

It is not an unprimeable number, because it can be changed into a prime (40225193) 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, 266317 + ... + 266467.

It is an arithmetic number, because the mean of its divisors is an integer number (1395360).

Almost surely, 2^40225192 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 40225192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44651520).

40225192 is an abundant number, since it is smaller than the sum of its proper divisors (49077848).

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

40225192 is a wasteful number, since it uses less digits than its factorization.

40225192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40225192 is about 6342.3333245739. Note that the first 4 decimals coincide. The cubic root of 40225192 is about 342.6357768808.

Adding to 40225192 its reverse (29152204), we get a palindrome (69377396).

The spelling of 40225192 in words is "forty million, two hundred twenty-five thousand, one hundred ninety-two".