40667770 has 32 divisors (see below), whose sum is σ = 86002560. Its totient is φ = 13650240.

The previous prime is 40667747. The next prime is 40667779. The reversal of 40667770 is 7776604.

40667770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40667779) 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 15 ways as a sum of consecutive naturals, for example, 12790 + ... + 15649.

It is an arithmetic number, because the mean of its divisors is an integer number (2687580).

Almost surely, 2^40667770 is an apocalyptic number.

40667770 is an abundant number, since it is smaller than the sum of its proper divisors (45334790).

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

40667770 is a wasteful number, since it uses less digits than its factorization.

40667770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28470.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 40667770 is about 6377.1286642187. The cubic root of 40667770 is about 343.8878138322.

The spelling of 40667770 in words is "forty million, six hundred sixty-seven thousand, seven hundred seventy".