40240777 has 8 divisors (see below), whose sum is σ = 43439040. Its totient is φ = 37163280.

The previous prime is 40240709. The next prime is 40240787. The reversal of 40240777 is 77704204.

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 40240777 - 2¹⁹ = 39716489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40240787) 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, 29499 + ... + 30832.

It is an arithmetic number, because the mean of its divisors is an integer number (5429880).

Almost surely, 2^40240777 is an apocalyptic number.

It is an amenable number.

40240777 is a deficient number, since it is larger than the sum of its proper divisors (3198263).

40240777 is a wasteful number, since it uses less digits than its factorization.

40240777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60383.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 40240777 is about 6343.5618543528. The cubic root of 40240777 is about 342.6800218661.

The spelling of 40240777 in words is "forty million, two hundred forty thousand, seven hundred seventy-seven".