1039494548450 has 54 divisors (see below), whose sum is σ = 2021500725699. Its totient is φ = 397656211040.

The previous prime is 1039494548437. The next prime is 1039494548483. The reversal of 1039494548450 is 548454949301.

It can be written as a sum of positive squares in 5 ways, for example, as 201916321201 + 837578227249 = 449351^2 + 915193^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=720935.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 165811916 + ... + 165818184.

Almost surely, 2^{1039494548450} is an apocalyptic number.

1039494548450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1039494548450 is a deficient number, since it is larger than the sum of its proper divisors (982006177249).

1039494548450 is an frugal number, since it uses more digits than its factorization.

1039494548450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12596 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 1039494548450 in words is "one trillion, thirty-nine billion, four hundred ninety-four million, five hundred forty-eight thousand, four hundred fifty".