40977986 has 16 divisors (see below), whose sum is σ = 72671040. Its totient is φ = 16956240.

The previous prime is 40977961. The next prime is 40977997. The reversal of 40977986 is 68977904.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50060 + ... + 50871.

It is an arithmetic number, because the mean of its divisors is an integer number (4541940).

Almost surely, 2^40977986 is an apocalyptic number.

40977986 is a deficient number, since it is larger than the sum of its proper divisors (31693054).

40977986 is a wasteful number, since it uses less digits than its factorization.

40977986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100969.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 40977986 is about 6401.4050020289. The cubic root of 40977986 is about 344.7599983112.

The spelling of 40977986 in words is "forty million, nine hundred seventy-seven thousand, nine hundred eighty-six".