340366740407 has 2 divisors, whose sum is σ = 340366740408. Its totient is φ = 340366740406.

The previous prime is 340366740403. The next prime is 340366740451. The reversal of 340366740407 is 704047663043.

It is a happy number.

It is an a-pointer prime, because the next prime (340366740451) can be obtained adding 340366740407 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340366740407 - 2² = 340366740403 is a prime.

It is a super-2 number, since 2×340366740407² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340366740403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170183370203 + 170183370204.

It is an arithmetic number, because the mean of its divisors is an integer number (170183370204).

Almost surely, 2^340366740407 is an apocalyptic number.

340366740407 is a deficient number, since it is larger than the sum of its proper divisors (1).

340366740407 is an equidigital number, since it uses as much as digits as its factorization.

340366740407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 340366740407 in words is "three hundred forty billion, three hundred sixty-six million, seven hundred forty thousand, four hundred seven".