40516272 has 30 divisors (see below), whose sum is σ = 113389692. Its totient is φ = 13505376.

The previous prime is 40516247. The next prime is 40516279. The reversal of 40516272 is 27261504.

It is not an unprimeable number, because it can be changed into a prime (40516279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140538 + ... + 140825.

Almost surely, 2^40516272 is an apocalyptic number.

It is an amenable number.

40516272 is an abundant number, since it is smaller than the sum of its proper divisors (72873420).

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

40516272 is a wasteful number, since it uses less digits than its factorization.

40516272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281377 (or 281368 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40516272 is about 6365.2393513520. The cubic root of 40516272 is about 343.4602586823.

Adding to 40516272 its reverse (27261504), we get a palindrome (67777776).

The spelling of 40516272 in words is "forty million, five hundred sixteen thousand, two hundred seventy-two".