1283655732380 has 96 divisors (see below), whose sum is σ = 3297884889600. Its totient is φ = 409879878912.

The previous prime is 1283655732367. The next prime is 1283655732407. The reversal of 1283655732380 is 832375563821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3932699 + ... + 4246578.

It is an arithmetic number, because the mean of its divisors is an integer number (34352967600).

Almost surely, 2^{1283655732380} is an apocalyptic number.

1283655732380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1283655732380 is an abundant number, since it is smaller than the sum of its proper divisors (2014229157220).

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

1283655732380 is a wasteful number, since it uses less digits than its factorization.

1283655732380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179371 (or 8179369 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 1283655732380 in words is "one trillion, two hundred eighty-three billion, six hundred fifty-five million, seven hundred thirty-two thousand, three hundred eighty".