40798272 has 56 divisors (see below), whose sum is σ = 110882176. Its totient is φ = 13229568.

The previous prime is 40798259. The next prime is 40798279. The reversal of 40798272 is 27289704.

It is a self number, because there is not a number n which added to its sum of digits gives 40798272.

It is not an unprimeable number, because it can be changed into a prime (40798279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233 + ... + 9975.

Almost surely, 2^40798272 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 40798272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55441088).

40798272 is an abundant number, since it is smaller than the sum of its proper divisors (70083904).

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

40798272 is a wasteful number, since it uses less digits than its factorization.

40798272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795 (or 5785 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40798272 is about 6387.3525031894. The cubic root of 40798272 is about 344.2552639337.

The spelling of 40798272 in words is "forty million, seven hundred ninety-eight thousand, two hundred seventy-two".