40448272 has 40 divisors (see below), whose sum is σ = 81691200. Its totient is φ = 19377792.

The previous prime is 40448269. The next prime is 40448281. The reversal of 40448272 is 27284404.

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, 82813 + ... + 83299.

It is an arithmetic number, because the mean of its divisors is an integer number (2042280).

Almost surely, 2^40448272 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 40448272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40845600).

40448272 is an abundant number, since it is smaller than the sum of its proper divisors (41242928).

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

40448272 is a wasteful number, since it uses less digits than its factorization.

40448272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 40448272 is about 6359.8955966274. The cubic root of 40448272 is about 343.2680036149.

The spelling of 40448272 in words is "forty million, four hundred forty-eight thousand, two hundred seventy-two".