2018456398724 has 6 divisors (see below), whose sum is σ = 3532298697774. Its totient is φ = 1009228199360.

The previous prime is 2018456398687. The next prime is 2018456398733. The reversal of 2018456398724 is 4278936548102.

It can be written as a sum of positive squares in only one way, i.e., 1466157722500 + 552298676224 = 1210850^2 + 743168^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252307049837 + ... + 252307049844.

It is an arithmetic number, because the mean of its divisors is an integer number (588716449629).

It is a 1-persistent number, because it is pandigital, but 2⋅2018456398724 = 4036912797448 is not.

Almost surely, 2^{2018456398724} is an apocalyptic number.

It is an amenable number.

2018456398724 is a deficient number, since it is larger than the sum of its proper divisors (1513842299050).

2018456398724 is a wasteful number, since it uses less digits than its factorization.

2018456398724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504614099685 (or 504614099683 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 2018456398724 in words is "two trillion, eighteen billion, four hundred fifty-six million, three hundred ninety-eight thousand, seven hundred twenty-four".