1040946791824 has 45 divisors (see below), whose sum is σ = 2025179087553. Its totient is φ = 518328792576.

The previous prime is 1040946791711. The next prime is 1040946791953. The reversal of 1040946791824 is 4281976490401.

It is a happy number.

The square root of 1040946791824 is 1020268.

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

It can be written as a sum of positive squares in only one way, i.e., 340658995600 + 700287796224 = 583660^2 + 836832^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1546725952 + ... + 1546726624.

Almost surely, 2^{1040946791824} is an apocalyptic number.

1040946791824 is the 1020268-th square number.

It is an amenable number.

1040946791824 is a deficient number, since it is larger than the sum of its proper divisors (984232295729).

1040946791824 is an frugal number, since it uses more digits than its factorization.

1040946791824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 1040946791824 in words is "one trillion, forty billion, nine hundred forty-six million, seven hundred ninety-one thousand, eight hundred twenty-four".