2085840731536 has 45 divisors (see below), whose sum is σ = 4074821650731. Its totient is φ = 1034344444896.

The previous prime is 2085840731479. The next prime is 2085840731581. The reversal of 2085840731536 is 6351370485802.

It is a happy number.

The square root of 2085840731536 is 1444244.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 733674531 + ... + 733677373.

Almost surely, 2^{2085840731536} is an apocalyptic number.

2085840731536 is the 1444244-th square number.

It is an amenable number.

2085840731536 is a deficient number, since it is larger than the sum of its proper divisors (1988980919195).

2085840731536 is an frugal number, since it uses more digits than its factorization.

2085840731536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 2085840731536 in words is "two trillion, eighty-five billion, eight hundred forty million, seven hundred thirty-one thousand, five hundred thirty-six".