1284040045292 has 24 divisors (see below), whose sum is σ = 2255735638800. Its totient is φ = 639544810176.

The previous prime is 1284040045291. The next prime is 1284040045297. The reversal of 1284040045292 is 2925400404821.

It is a super-2 number, since 2×1284040045292² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1284040045291) 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, 8069759 + ... + 8227337.

It is an arithmetic number, because the mean of its divisors is an integer number (93988984950).

Almost surely, 2^{1284040045292} is an apocalyptic number.

It is an amenable number.

1284040045292 is a deficient number, since it is larger than the sum of its proper divisors (971695593508).

1284040045292 is a wasteful number, since it uses less digits than its factorization.

1284040045292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165425 (or 165423 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 1284040045292 in words is "one trillion, two hundred eighty-four billion, forty million, forty-five thousand, two hundred ninety-two".