1283545635340 has 24 divisors (see below), whose sum is σ = 2733409863072. Its totient is φ = 506187010560.

The previous prime is 1283545635329. The next prime is 1283545635391. The reversal of 1283545635340 is 435365453821.

It is a happy 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, 451951269 + ... + 451954108.

It is an arithmetic number, because the mean of its divisors is an integer number (113892077628).

Almost surely, 2^{1283545635340} is an apocalyptic number.

1283545635340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1283545635340 is an abundant number, since it is smaller than the sum of its proper divisors (1449864227732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283545635340 is a wasteful number, since it uses less digits than its factorization.

1283545635340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903905457 (or 903905455 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 1283545635340 in words is "one trillion, two hundred eighty-three billion, five hundred forty-five million, six hundred thirty-five thousand, three hundred forty".