2078134744456 has 32 divisors (see below), whose sum is σ = 3960897379200. Its totient is φ = 1021899896640.

The previous prime is 2078134744363. The next prime is 2078134744463. The reversal of 2078134744456 is 6544474318702.

It is a happy number.

It is a super-2 number, since 2×2078134744456² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2078134744397 and 2078134744406.

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, 3511971 + ... + 4060813.

It is an arithmetic number, because the mean of its divisors is an integer number (123778043100).

Almost surely, 2^{2078134744456} is an apocalyptic number.

It is an amenable number.

2078134744456 is a deficient number, since it is larger than the sum of its proper divisors (1882762634744).

2078134744456 is a wasteful number, since it uses less digits than its factorization.

2078134744456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556669 (or 556665 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 55.

The spelling of 2078134744456 in words is "two trillion, seventy-eight billion, one hundred thirty-four million, seven hundred forty-four thousand, four hundred fifty-six".