40077208 has 8 divisors (see below), whose sum is σ = 75144780. Its totient is φ = 20038600.

The previous prime is 40077173. The next prime is 40077209. The reversal of 40077208 is 80277004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40077209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504818 + ... + 2504833.

Almost surely, 2^40077208 is an apocalyptic number.

It is an amenable number.

40077208 is a deficient number, since it is larger than the sum of its proper divisors (35067572).

40077208 is a wasteful number, since it uses less digits than its factorization.

40077208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009657 (or 5009653 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 40077208 is about 6330.6562061132. The cubic root of 40077208 is about 342.2150876182.

The spelling of 40077208 in words is "forty million, seventy-seven thousand, two hundred eight".