40008440480 has 24 divisors (see below), whose sum is σ = 94519941012. Its totient is φ = 16003376128.

The previous prime is 40008440477. The next prime is 40008440489. The reversal of 40008440480 is 8404480004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32606247184 + 7402193296 = 180572^2 + 86036^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (40008440489) 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, 125026217 + ... + 125026536.

Almost surely, 2^40008440480 is an apocalyptic number.

40008440480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40008440480 is an abundant number, since it is smaller than the sum of its proper divisors (54511500532).

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

40008440480 is a wasteful number, since it uses less digits than its factorization.

40008440480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250052768 (or 250052760 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 40008440480 in words is "forty billion, eight million, four hundred forty thousand, four hundred eighty".