40448888 has 16 divisors (see below), whose sum is σ = 76756680. Its totient is φ = 19980448.

The previous prime is 40448887. The next prime is 40448897. The reversal of 40448888 is 88884404.

40448888 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 2×40448888² = 3272225080873088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29795 + ... + 31122.

Almost surely, 2^40448888 is an apocalyptic number.

It is an amenable number.

40448888 is a deficient number, since it is larger than the sum of its proper divisors (36307792).

40448888 is a wasteful number, since it uses less digits than its factorization.

40448888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61006 (or 61002 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The square root of 40448888 is about 6359.9440249109. The cubic root of 40448888 is about 343.2697461864.

The spelling of 40448888 in words is "forty million, four hundred forty-eight thousand, eight hundred eighty-eight".