40475880 has 96 divisors (see below), whose sum is σ = 136117800. Its totient is φ = 10418688.

The previous prime is 40475873. The next prime is 40475881. The reversal of 40475880 is 8857404.

40475880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28323684 + 12152196 = 5322^2 + 3486^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40475881) 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 23 ways as a sum of consecutive naturals, for example, 8502 + ... + 12378.

Almost surely, 2^40475880 is an apocalyptic number.

40475880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40475880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68058900).

40475880 is an abundant number, since it is smaller than the sum of its proper divisors (95641920).

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

40475880 is a wasteful number, since it uses less digits than its factorization.

40475880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 40475880 is about 6362.0657022700. The cubic root of 40475880 is about 343.3460851350.

The spelling of 40475880 in words is "forty million, four hundred seventy-five thousand, eight hundred eighty".