40466977 has 4 divisors (see below), whose sum is σ = 41862420. Its totient is φ = 39071536.

The previous prime is 40466969. The next prime is 40466981. The reversal of 40466977 is 77966404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 29116816 = 3369^2 + 5396^2 .

It is a cyclic number.

It is not a de Polignac number, because 40466977 - 2³ = 40466969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40466917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697678 + ... + 697735.

It is an arithmetic number, because the mean of its divisors is an integer number (10465605).

Almost surely, 2^40466977 is an apocalyptic number.

It is an amenable number.

40466977 is a deficient number, since it is larger than the sum of its proper divisors (1395443).

40466977 is a wasteful number, since it uses less digits than its factorization.

40466977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395442.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 40466977 is about 6361.3659696641. The cubic root of 40466977 is about 343.3209093649.

The spelling of 40466977 in words is "forty million, four hundred sixty-six thousand, nine hundred seventy-seven".