1298454763320 has 1344 divisors, whose sum is σ = 5482600797600. Its totient is φ = 273277255680.

The previous prime is 1298454763313. The next prime is 1298454763379. The reversal of 1298454763320 is 233674548921.

1298454763320 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 4 + 547 + 63 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 921542776 + ... + 921544184.

It is a 1-persistent number, because it is pandigital, but 2⋅1298454763320 = 2596909526640 is not.

Almost surely, 2^{1298454763320} is an apocalyptic number.

1298454763320 is a gapful number since it is divisible by the number (10) 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 1298454763320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741300398800).

1298454763320 is an abundant number, since it is smaller than the sum of its proper divisors (4184146034280).

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

1298454763320 is a wasteful number, since it uses less digits than its factorization.

1298454763320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 1298454763320 in words is "one trillion, two hundred ninety-eight billion, four hundred fifty-four million, seven hundred sixty-three thousand, three hundred twenty".