40486777 has 8 divisors (see below), whose sum is σ = 42676160. Its totient is φ = 38303280.

The previous prime is 40486763. The next prime is 40486781. The reversal of 40486777 is 77768404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40486777 - 2²³ = 32098169 is a prime.

It is a super-2 number, since 2×40486777² = 3278358223695458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40486717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25468 + ... + 27010.

It is an arithmetic number, because the mean of its divisors is an integer number (5334520).

Almost surely, 2^40486777 is an apocalyptic number.

It is an amenable number.

40486777 is a deficient number, since it is larger than the sum of its proper divisors (2189383).

40486777 is a wasteful number, since it uses less digits than its factorization.

40486777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 40486777 is about 6362.9220488703. The cubic root of 40486777 is about 343.3768944844.

The spelling of 40486777 in words is "forty million, four hundred eighty-six thousand, seven hundred seventy-seven".