40880080 has 20 divisors (see below), whose sum is σ = 95046372. Its totient is φ = 16352000.

The previous prime is 40880069. The next prime is 40880089. The reversal of 40880080 is 8008804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25482304 + 15397776 = 5048^2 + 3924^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40880089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255421 + ... + 255580.

Almost surely, 2^40880080 is an apocalyptic number.

40880080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40880080 is an abundant number, since it is smaller than the sum of its proper divisors (54166292).

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

40880080 is a wasteful number, since it uses less digits than its factorization.

40880080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511014 (or 511008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 40880080 is about 6393.7532013677. The cubic root of 40880080 is about 344.4852085720.

Adding to 40880080 its reverse (8008804), we get a palindrome (48888884).

The spelling of 40880080 in words is "forty million, eight hundred eighty thousand, eighty".