340747136455 has 8 divisors (see below), whose sum is σ = 446068978704. Its totient is φ = 247816099200.

The previous prime is 340747136423. The next prime is 340747136467. The reversal of 340747136455 is 554631747043.

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

It is not a de Polignac number, because 340747136455 - 2⁵ = 340747136423 is a prime.

It is a super-2 number, since 2×340747136455² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340747136399 and 340747136408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097701186 + ... + 3097701295.

It is an arithmetic number, because the mean of its divisors is an integer number (55758622338).

Almost surely, 2^340747136455 is an apocalyptic number.

340747136455 is a deficient number, since it is larger than the sum of its proper divisors (105321842249).

340747136455 is a wasteful number, since it uses less digits than its factorization.

340747136455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195402497.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 340747136455 in words is "three hundred forty billion, seven hundred forty-seven million, one hundred thirty-six thousand, four hundred fifty-five".