340440777 has 12 divisors (see below), whose sum is σ = 493122240. Its totient is φ = 226326168.

The previous prime is 340440743. The next prime is 340440781. The reversal of 340440777 is 777044043.

It is not a de Polignac number, because 340440777 - 2⁷ = 340440649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340440277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49453 + ... + 55914.

It is an arithmetic number, because the mean of its divisors is an integer number (41093520).

Almost surely, 2^340440777 is an apocalyptic number.

It is an amenable number.

340440777 is a deficient number, since it is larger than the sum of its proper divisors (152681463).

340440777 is a wasteful number, since it uses less digits than its factorization.

340440777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105732 (or 105729 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 340440777 is about 18451.0372879142. The cubic root of 340440777 is about 698.2546839780.

The spelling of 340440777 in words is "three hundred forty million, four hundred forty thousand, seven hundred seventy-seven".