1854472866464 has 24 divisors (see below), whose sum is σ = 3651030845280. Its totient is φ = 927226937536.

The previous prime is 1854472866419. The next prime is 1854472866497. The reversal of 1854472866464 is 4646682744581.

It is a happy number.

It is a super-2 number, since 2×1854472866464² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1854472866464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708527 + ... + 4178769.

It is an arithmetic number, because the mean of its divisors is an integer number (152126285220).

Almost surely, 2^{1854472866464} is an apocalyptic number.

It is an amenable number.

1854472866464 is a deficient number, since it is larger than the sum of its proper divisors (1796557978816).

1854472866464 is a wasteful number, since it uses less digits than its factorization.

1854472866464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593492 (or 593484 counting only the distinct ones).

The product of its digits is 247726080, while the sum is 65.

The spelling of 1854472866464 in words is "one trillion, eight hundred fifty-four billion, four hundred seventy-two million, eight hundred sixty-six thousand, four hundred sixty-four".