40447272 has 32 divisors (see below), whose sum is σ = 101314080. Its totient is φ = 13456320.

The previous prime is 40447261. The next prime is 40447283. The reversal of 40447272 is 27274404.

It is an interprime number because it is at equal distance from previous prime (40447261) and next prime (40447283).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14122 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (3166065).

Almost surely, 2^40447272 is an apocalyptic number.

It is an amenable number.

40447272 is an abundant number, since it is smaller than the sum of its proper divisors (60866808).

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

40447272 is a wasteful number, since it uses less digits than its factorization.

40447272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 40447272 is about 6359.8169784987. The cubic root of 40447272 is about 343.2651747274.

The spelling of 40447272 in words is "forty million, four hundred forty-seven thousand, two hundred seventy-two".