497777712340 has 12 divisors (see below), whose sum is σ = 1045333195956. Its totient is φ = 199111084928.

The previous prime is 497777712337. The next prime is 497777712353. The reversal of 497777712340 is 43217777794.

It can be written as a sum of positive squares in 2 ways, for example, as 366804654736 + 130973057604 = 605644^2 + 361902^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12444442789 + ... + 12444442828.

It is an arithmetic number, because the mean of its divisors is an integer number (87111099663).

Almost surely, 2^497777712340 is an apocalyptic number.

It is an amenable number.

497777712340 is an abundant number, since it is smaller than the sum of its proper divisors (547555483616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497777712340 is a wasteful number, since it uses less digits than its factorization.

497777712340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24888885626 (or 24888885624 counting only the distinct ones).

The product of its (nonzero) digits is 14521248, while the sum is 58.

The spelling of 497777712340 in words is "four hundred ninety-seven billion, seven hundred seventy-seven million, seven hundred twelve thousand, three hundred forty".