340140810747 has 16 divisors (see below), whose sum is σ = 456091395840. Its totient is φ = 225475587552.

The previous prime is 340140810743. The next prime is 340140810749. The reversal of 340140810747 is 747018041043.

It is not a de Polignac number, because 340140810747 - 2² = 340140810743 is a prime.

It is a super-2 number, since 2×340140810747² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340140810743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11561418 + ... + 11590800.

It is an arithmetic number, because the mean of its divisors is an integer number (28505712240).

Almost surely, 2^340140810747 is an apocalyptic number.

340140810747 is a deficient number, since it is larger than the sum of its proper divisors (115950585093).

340140810747 is a wasteful number, since it uses less digits than its factorization.

340140810747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51122.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 340140810747 in words is "three hundred forty billion, one hundred forty million, eight hundred ten thousand, seven hundred forty-seven".