1099040134480 has 20 divisors (see below), whose sum is σ = 2555268312852. Its totient is φ = 439616053760.

The previous prime is 1099040134477. The next prime is 1099040134519. The reversal of 1099040134480 is 844310409901.

It can be written as a sum of positive squares in 2 ways, for example, as 636689093184 + 462351041296 = 797928^2 + 679964^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 6869000761 + ... + 6869000920.

Almost surely, 2^{1099040134480} is an apocalyptic number.

1099040134480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1099040134480 is an abundant number, since it is smaller than the sum of its proper divisors (1456228178372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099040134480 is a wasteful number, since it uses less digits than its factorization.

1099040134480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738001694 (or 13738001688 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 1099040134480 in words is "one trillion, ninety-nine billion, forty million, one hundred thirty-four thousand, four hundred eighty".