1530777320736 has 96 divisors (see below), whose sum is σ = 4086513446400. Its totient is φ = 501605498880.

The previous prime is 1530777320711. The next prime is 1530777320783. The reversal of 1530777320736 is 6370237770351.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10226400 + ... + 10375008.

It is an arithmetic number, because the mean of its divisors is an integer number (42567848400).

Almost surely, 2^{1530777320736} is an apocalyptic number.

1530777320736 is a gapful number since it is divisible by the number (16) 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 1530777320736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2043256723200).

1530777320736 is an abundant number, since it is smaller than the sum of its proper divisors (2555736125664).

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

1530777320736 is a wasteful number, since it uses less digits than its factorization.

1530777320736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150442 (or 150434 counting only the distinct ones).

The product of its (nonzero) digits is 3889620, while the sum is 51.

The spelling of 1530777320736 in words is "one trillion, five hundred thirty billion, seven hundred seventy-seven million, three hundred twenty thousand, seven hundred thirty-six".