40803288 has 64 divisors (see below), whose sum is σ = 107274240. Its totient is φ = 12908544.

The previous prime is 40803253. The next prime is 40803299. The reversal of 40803288 is 88230804.

It is a super-2 number, since 2×40803288² = 3329816623221888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106345 + ... + 106727.

It is an arithmetic number, because the mean of its divisors is an integer number (1676160).

Almost surely, 2^40803288 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 40803288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53637120).

40803288 is an abundant number, since it is smaller than the sum of its proper divisors (66470952).

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

40803288 is a wasteful number, since it uses less digits than its factorization.

40803288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 40803288 is about 6387.7451420670. The cubic root of 40803288 is about 344.2693716688.

The spelling of 40803288 in words is "forty million, eight hundred three thousand, two hundred eighty-eight".