40780680 has 32 divisors (see below), whose sum is σ = 122342400. Its totient is φ = 10874816.

The previous prime is 40780667. The next prime is 40780681. The reversal of 40780680 is 8608704.

It is a super-2 number, since 2×40780680² = 3326127722524800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40780681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169800 + ... + 170039.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^40780680 is an apocalyptic number.

40780680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40780680 is an abundant number, since it is smaller than the sum of its proper divisors (81561720).

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

40780680 is a wasteful number, since it uses less digits than its factorization.

40780680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339853 (or 339849 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 40780680 is about 6385.9752583298. The cubic root of 40780680 is about 344.2057764679.

The spelling of 40780680 in words is "forty million, seven hundred eighty thousand, six hundred eighty".