1045790323120 has 40 divisors (see below), whose sum is σ = 2515306041360. Its totient is φ = 403891434240.

The previous prime is 1045790323057. The next prime is 1045790323181. The reversal of 1045790323120 is 213230975401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1045790323120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225383526 + ... + 225388165.

It is an arithmetic number, because the mean of its divisors is an integer number (62882651034).

Almost surely, 2^{1045790323120} is an apocalyptic number.

1045790323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045790323120 is an abundant number, since it is smaller than the sum of its proper divisors (1469515718240).

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

1045790323120 is a wasteful number, since it uses less digits than its factorization.

1045790323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450771733 (or 450771727 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 1045790323120 in words is "one trillion, forty-five billion, seven hundred ninety million, three hundred twenty-three thousand, one hundred twenty".