340255630243 has 8 divisors (see below), whose sum is σ = 354557846880. Its totient is φ = 326124697920.

The previous prime is 340255630237. The next prime is 340255630259. The reversal of 340255630243 is 342036552043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340255630243 is a prime.

It is a super-2 number, since 2×340255630243² (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 (340255630543) 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, 42817023 + ... + 42824968.

It is an arithmetic number, because the mean of its divisors is an integer number (44319730860).

Almost surely, 2^340255630243 is an apocalyptic number.

340255630243 is a deficient number, since it is larger than the sum of its proper divisors (14302216637).

340255630243 is a wasteful number, since it uses less digits than its factorization.

340255630243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85642157.

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 340255630243 in words is "three hundred forty billion, two hundred fifty-five million, six hundred thirty thousand, two hundred forty-three".