340503517387 has 8 divisors (see below), whose sum is σ = 371462737392. Its totient is φ = 309545023200.

The previous prime is 340503517327. The next prime is 340503517433. The reversal of 340503517387 is 783715305043.

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 340503517387 - 2¹⁵ = 340503484619 is a prime.

It is a super-2 number, since 2×340503517387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340503517327) 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, 1394937 + ... + 1620757.

It is an arithmetic number, because the mean of its divisors is an integer number (46432842174).

Almost surely, 2^340503517387 is an apocalyptic number.

340503517387 is a deficient number, since it is larger than the sum of its proper divisors (30959220005).

340503517387 is a wasteful number, since it uses less digits than its factorization.

340503517387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362909.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 340503517387 in words is "three hundred forty billion, five hundred three million, five hundred seventeen thousand, three hundred eighty-seven".