40794977 has 4 divisors (see below), whose sum is σ = 42110976. Its totient is φ = 39478980.

The previous prime is 40794973. The next prime is 40794997. The reversal of 40794977 is 77949704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40794977 - 2² = 40794973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40794973) 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, 657953 + ... + 658014.

It is an arithmetic number, because the mean of its divisors is an integer number (10527744).

Almost surely, 2^40794977 is an apocalyptic number.

It is an amenable number.

40794977 is a deficient number, since it is larger than the sum of its proper divisors (1315999).

40794977 is a wasteful number, since it uses less digits than its factorization.

40794977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315998.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 40794977 is about 6387.0945663893. The cubic root of 40794977 is about 344.2459959625.

The spelling of 40794977 in words is "forty million, seven hundred ninety-four thousand, nine hundred seventy-seven".