40225432 has 32 divisors (see below), whose sum is σ = 85503600. Its totient is φ = 17587584.

The previous prime is 40225429. The next prime is 40225487. The reversal of 40225432 is 23452204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8203 + ... + 12154.

Almost surely, 2^40225432 is an apocalyptic number.

It is an amenable number.

40225432 is an abundant number, since it is smaller than the sum of its proper divisors (45278168).

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

40225432 is a wasteful number, since it uses less digits than its factorization.

40225432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20395 (or 20391 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40225432 is about 6342.3522450271. The cubic root of 40225432 is about 342.6364583146.

Adding to 40225432 its reverse (23452204), we get a palindrome (63677636).

The spelling of 40225432 in words is "forty million, two hundred twenty-five thousand, four hundred thirty-two".