1078742722800 has 60 divisors (see below), whose sum is σ = 3455572525880. Its totient is φ = 287664725760.

The previous prime is 1078742722769. The next prime is 1078742722823. The reversal of 1078742722800 is 82272478701.

1078742722800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1078742722800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449474935 + ... + 449477334.

Almost surely, 2^{1078742722800} is an apocalyptic number.

1078742722800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078742722800 is an abundant number, since it is smaller than the sum of its proper divisors (2376829803080).

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

1078742722800 is a wasteful number, since it uses less digits than its factorization.

1078742722800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898952290 (or 898952279 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 48.

The spelling of 1078742722800 in words is "one trillion, seventy-eight billion, seven hundred forty-two million, seven hundred twenty-two thousand, eight hundred".