40055080 has 32 divisors (see below), whose sum is σ = 97057800. Its totient is φ = 14789376.

The previous prime is 40055051. The next prime is 40055087. The reversal of 40055080 is 8055004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32558436 + 7496644 = 5706^2 + 2738^2 .

It is not an unprimeable number, because it can be changed into a prime (40055087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37995 + ... + 39034.

Almost surely, 2^40055080 is an apocalyptic number.

40055080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40055080 is an abundant number, since it is smaller than the sum of its proper divisors (57002720).

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

40055080 is a wasteful number, since it uses less digits than its factorization.

40055080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77053 (or 77049 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40055080 is about 6328.9082786844. The cubic root of 40055080 is about 342.1520931304.

The spelling of 40055080 in words is "forty million, fifty-five thousand, eighty".