1062740731988 has 12 divisors (see below), whose sum is σ = 2002857533460. Its totient is φ = 490495722432.

The previous prime is 1062740731931. The next prime is 1062740731999. The reversal of 1062740731988 is 8891370472601.

It can be written as a sum of positive squares in 2 ways, for example, as 270637171984 + 792103560004 = 520228^2 + 890002^2 .

It is a super-2 number, since 2×1062740731988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10218660833 + ... + 10218660936.

It is an arithmetic number, because the mean of its divisors is an integer number (166904794455).

Almost surely, 2^{1062740731988} is an apocalyptic number.

It is an amenable number.

1062740731988 is a deficient number, since it is larger than the sum of its proper divisors (940116801472).

1062740731988 is a wasteful number, since it uses less digits than its factorization.

1062740731988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20437321786 (or 20437321784 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 1062740731988 in words is "one trillion, sixty-two billion, seven hundred forty million, seven hundred thirty-one thousand, nine hundred eighty-eight".