2451489328512 has 480 divisors, whose sum is σ = 8716231912080. Its totient is φ = 669961746432.

The previous prime is 2451489328471. The next prime is 2451489328531. The reversal of 2451489328512 is 2158239841542.

2451489328512 is a `hidden beast` number, since 2 + 4 + 5 + 14 + 8 + 93 + 28 + 512 = 666.

It is a super-2 number, since 2×2451489328512² (a number of 26 digits) contains 22 as substring.

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 polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 38360778 + ... + 38424630.

Almost surely, 2^{2451489328512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451489328512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4358115956040).

2451489328512 is an abundant number, since it is smaller than the sum of its proper divisors (6264742583568).

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

2451489328512 is an equidigital number, since it uses as much as digits as its factorization.

2451489328512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63932 (or 63888 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 2451489328512 in words is "two trillion, four hundred fifty-one billion, four hundred eighty-nine million, three hundred twenty-eight thousand, five hundred twelve".