1055047472790 has 128 divisors (see below), whose sum is σ = 2676385732608. Its totient is φ = 265872875520.

The previous prime is 1055047472789. The next prime is 1055047472803. The reversal of 1055047472790 is 972747405501.

It is a super-2 number, since 2×1055047472790² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5513497 + ... + 5701643.

It is an arithmetic number, because the mean of its divisors is an integer number (20909263536).

Almost surely, 2^{1055047472790} is an apocalyptic number.

1055047472790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055047472790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338192866304).

1055047472790 is an abundant number, since it is smaller than the sum of its proper divisors (1621338259818).

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

1055047472790 is a wasteful number, since it uses less digits than its factorization.

1055047472790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188342.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 1055047472790 in words is "one trillion, fifty-five billion, forty-seven million, four hundred seventy-two thousand, seven hundred ninety".