1428730015730 has 16 divisors (see below), whose sum is σ = 2577680889984. Its totient is φ = 570166037040.

The previous prime is 1428730015561. The next prime is 1428730015733. The reversal of 1428730015730 is 375100378241.

It is not an unprimeable number, because it can be changed into a prime (1428730015733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165741632 + ... + 165750251.

It is an arithmetic number, because the mean of its divisors is an integer number (161105055624).

Almost surely, 2^{1428730015730} is an apocalyptic number.

1428730015730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428730015730 is a deficient number, since it is larger than the sum of its proper divisors (1148950874254).

1428730015730 is a wasteful number, since it uses less digits than its factorization.

1428730015730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331492321.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 1428730015730 in words is "one trillion, four hundred twenty-eight billion, seven hundred thirty million, fifteen thousand, seven hundred thirty".