40077668 has 12 divisors (see below), whose sum is σ = 72398592. Its totient is φ = 19392360.

The previous prime is 40077659. The next prime is 40077689. The reversal of 40077668 is 86677004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 161480 + ... + 161727.

It is an arithmetic number, because the mean of its divisors is an integer number (6033216).

Almost surely, 2^40077668 is an apocalyptic number.

It is an amenable number.

40077668 is a deficient number, since it is larger than the sum of its proper divisors (32320924).

40077668 is a wasteful number, since it uses less digits than its factorization.

40077668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323242 (or 323240 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 40077668 is about 6330.6925371558. The cubic root of 40077668 is about 342.2163969105.

The spelling of 40077668 in words is "forty million, seventy-seven thousand, six hundred sixty-eight".