40896648 has 72 divisors (see below), whose sum is σ = 119972970. Its totient is φ = 12579840.

The previous prime is 40896637. The next prime is 40896659. The reversal of 40896648 is 84669804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40896637) and next prime (40896659).

It can be written as a sum of positive squares in 3 ways, for example, as 25826724 + 15069924 = 5082^2 + 3882^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10488 + ... + 13848.

Almost surely, 2^40896648 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 40896648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59986485).

40896648 is an abundant number, since it is smaller than the sum of its proper divisors (79076322).

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

40896648 is a wasteful number, since it uses less digits than its factorization.

40896648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3379 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 40896648 is about 6395.0487097441. The cubic root of 40896648 is about 344.5317402819.

The spelling of 40896648 in words is "forty million, eight hundred ninety-six thousand, six hundred forty-eight".