1040345145544 has 64 divisors (see below), whose sum is σ = 2083584384000. Its totient is φ = 485899196160.

The previous prime is 1040345145533. The next prime is 1040345145551. The reversal of 1040345145544 is 4455415430401.

It is a junction number, because it is equal to n+sod(n) for n = 1040345145497 and 1040345145506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28670757 + ... + 28707019.

It is an arithmetic number, because the mean of its divisors is an integer number (32556006000).

Almost surely, 2^{1040345145544} is an apocalyptic number.

It is an amenable number.

1040345145544 is an abundant number, since it is smaller than the sum of its proper divisors (1043239238456).

1040345145544 is a wasteful number, since it uses less digits than its factorization.

1040345145544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40318 (or 40314 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 1040345145544 in words is "one trillion, forty billion, three hundred forty-five million, one hundred forty-five thousand, five hundred forty-four".