42767571454864 has 15 divisors (see below), whose sum is σ = 82862220376443. Its totient is φ = 21383772648048.

The previous prime is 42767571454819. The next prime is 42767571454873. The reversal of 42767571454864 is 46845417576724.

The square root of 42767571454864 is 6539692.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42767571454793 and 42767571454802.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25341307 + ... + 26976229.

Almost surely, 2^{42767571454864} is an apocalyptic number.

42767571454864 is the 6539692-nd square number.

It is an amenable number.

42767571454864 is a deficient number, since it is larger than the sum of its proper divisors (40094648921579).

42767571454864 is an frugal number, since it uses more digits than its factorization.

42767571454864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269854 (or 1634925 counting only the distinct ones).

The product of its digits is 1264435200, while the sum is 70.

The spelling of 42767571454864 in words is "forty-two trillion, seven hundred sixty-seven billion, five hundred seventy-one million, four hundred fifty-four thousand, eight hundred sixty-four".