340662387640 has 32 divisors (see below), whose sum is σ = 767076940080. Its totient is φ = 136160676352.

The previous prime is 340662387623. The next prime is 340662387671. The reversal of 340662387640 is 46783266043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205777 + ... + 3310336.

Almost surely, 2^340662387640 is an apocalyptic number.

It is an amenable number.

340662387640 is an abundant number, since it is smaller than the sum of its proper divisors (426414552440).

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

340662387640 is a wasteful number, since it uses less digits than its factorization.

340662387640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517431 (or 6517427 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 340662387640 in words is "three hundred forty billion, six hundred sixty-two million, three hundred eighty-seven thousand, six hundred forty".