40277564 has 12 divisors (see below), whose sum is σ = 70537488. Its totient is φ = 20124000.

The previous prime is 40277563. The next prime is 40277569. The reversal of 40277564 is 46577204.

40277564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40277563) 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 3 ways as a sum of consecutive naturals, for example, 4409 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (5878124).

Almost surely, 2^40277564 is an apocalyptic number.

It is an amenable number.

40277564 is a deficient number, since it is larger than the sum of its proper divisors (30259924).

40277564 is a wasteful number, since it uses less digits than its factorization.

40277564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396 (or 7394 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 40277564 is about 6346.4607459591. The cubic root of 40277564 is about 342.7844129129.

The spelling of 40277564 in words is "forty million, two hundred seventy-seven thousand, five hundred sixty-four".