40647700 has 36 divisors (see below), whose sum is σ = 88556832. Its totient is φ = 16194400.

The previous prime is 40647689. The next prime is 40647703. The reversal of 40647700 is 774604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40647703) 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 11 ways as a sum of consecutive naturals, for example, 30447 + ... + 31753.

It is an arithmetic number, because the mean of its divisors is an integer number (2459912).

Almost surely, 2^40647700 is an apocalyptic number.

It is an amenable number.

40647700 is an abundant number, since it is smaller than the sum of its proper divisors (47909132).

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

40647700 is a wasteful number, since it uses less digits than its factorization.

40647700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 40647700 is about 6375.5548778126. The cubic root of 40647700 is about 343.8312336942.

The spelling of 40647700 in words is "forty million, six hundred forty-seven thousand, seven hundred".