40817448 has 96 divisors (see below), whose sum is σ = 127670400. Its totient is φ = 11539584.

The previous prime is 40817431. The next prime is 40817461. The reversal of 40817448 is 84471804.

It is a happy number.

40817448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40817448² = 3332128122465408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54565 + ... + 55307.

It is an arithmetic number, because the mean of its divisors is an integer number (1329900).

Almost surely, 2^40817448 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 40817448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63835200).

40817448 is an abundant number, since it is smaller than the sum of its proper divisors (86852952).

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

40817448 is a wasteful number, since it uses less digits than its factorization.

40817448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 40817448 is about 6388.8534182590. The cubic root of 40817448 is about 344.3091910947.

The spelling of 40817448 in words is "forty million, eight hundred seventeen thousand, four hundred forty-eight".