283780256010880 has 128 divisors (see below), whose sum is σ = 682264690632000. Its totient is φ = 112867614695424.

The previous prime is 283780256010821. The next prime is 283780256010887. The reversal of 283780256010880 is 88010652087382.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (283780256010887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316988591 + ... + 1317204049.

Almost surely, 2^{283780256010880} is an apocalyptic number.

283780256010880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283780256010880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341132345316000).

283780256010880 is an abundant number, since it is smaller than the sum of its proper divisors (398484434621120).

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

283780256010880 is a wasteful number, since it uses less digits than its factorization.

283780256010880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227154 (or 227142 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 283780256010880 in words is "two hundred eighty-three trillion, seven hundred eighty billion, two hundred fifty-six million, ten thousand, eight hundred eighty".