1284024464055 has 48 divisors (see below), whose sum is σ = 2280424569696. Its totient is φ = 667964298240.

The previous prime is 1284024464039. The next prime is 1284024464087. The reversal of 1284024464055 is 5504644204821.

1284024464055 is a `hidden beast` number, since 128 + 40 + 2 + 446 + 40 + 5 + 5 = 666.

It is not a de Polignac number, because 1284024464055 - 2⁴ = 1284024464039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1284024464055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8640259 + ... + 8787611.

It is an arithmetic number, because the mean of its divisors is an integer number (47508845202).

Almost surely, 2^{1284024464055} is an apocalyptic number.

1284024464055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1284024464055 is a deficient number, since it is larger than the sum of its proper divisors (996400105641).

1284024464055 is a wasteful number, since it uses less digits than its factorization.

1284024464055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152128 (or 152125 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

Adding to 1284024464055 its reverse (5504644204821), we get a palindrome (6788668668876).

The spelling of 1284024464055 in words is "one trillion, two hundred eighty-four billion, twenty-four million, four hundred sixty-four thousand, fifty-five".