2389488491520 has 2640 divisors, whose sum is σ = 10438140480768. Its totient is φ = 517252055040.

The previous prime is 2389488491497. The next prime is 2389488491527. The reversal of 2389488491520 is 251948849832.

2389488491520 is a `hidden beast` number, since 2 + 3 + 8 + 94 + 8 + 8 + 491 + 52 + 0 = 666.

It is a super-2 number, since 2×2389488491520² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389488491527) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 77080273905 + ... + 77080273935.

Almost surely, 2^{2389488491520} is an apocalyptic number.

2389488491520 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 2389488491520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5219070240384).

2389488491520 is an abundant number, since it is smaller than the sum of its proper divisors (8048651989248).

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

2389488491520 is a wasteful number, since it uses less digits than its factorization.

2389488491520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 2389488491520 in words is "two trillion, three hundred eighty-nine billion, four hundred eighty-eight million, four hundred ninety-one thousand, five hundred twenty".