1228774896480 has 96 divisors (see below), whose sum is σ = 3870868635648. Its totient is φ = 327654028800.

The previous prime is 1228774896457. The next prime is 1228774896541. The reversal of 1228774896480 is 846984778221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9309345 + ... + 9440415.

It is an arithmetic number, because the mean of its divisors is an integer number (40321548288).

Almost surely, 2^{1228774896480} is an apocalyptic number.

1228774896480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228774896480 is an abundant number, since it is smaller than the sum of its proper divisors (2642093739168).

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

1228774896480 is a wasteful number, since it uses less digits than its factorization.

1228774896480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150620 (or 150612 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 66.

The spelling of 1228774896480 in words is "one trillion, two hundred twenty-eight billion, seven hundred seventy-four million, eight hundred ninety-six thousand, four hundred eighty".