1778192232960 has 640 divisors, whose sum is σ = 6693704075520. Its totient is φ = 397010534400.

The previous prime is 1778192232937. The next prime is 1778192232961. The reversal of 1778192232960 is 692322918771.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

It is a self number, because there is not a number n which added to its sum of digits gives 1778192232960.

It is not an unprimeable number, because it can be changed into a prime (1778192232961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559002570 + ... + 559005750.

It is an arithmetic number, because the mean of its divisors is an integer number (10458912618).

Almost surely, 2^{1778192232960} is an apocalyptic number.

1778192232960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1778192232960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3346852037760).

1778192232960 is an abundant number, since it is smaller than the sum of its proper divisors (4915511842560).

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

1778192232960 is a wasteful number, since it uses less digits than its factorization.

1778192232960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 1778192232960 in words is "one trillion, seven hundred seventy-eight billion, one hundred ninety-two million, two hundred thirty-two thousand, nine hundred sixty".