1783155230472 has 256 divisors, whose sum is σ = 5949573120000. Its totient is φ = 431343048960.

The previous prime is 1783155230447. The next prime is 1783155230501. The reversal of 1783155230472 is 2740325513871.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1641229 + ... + 2501987.

It is an arithmetic number, because the mean of its divisors is an integer number (23240520000).

Almost surely, 2^{1783155230472} is an apocalyptic number.

1783155230472 is a gapful number since it is divisible by the number (12) 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 1783155230472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974786560000).

1783155230472 is an abundant number, since it is smaller than the sum of its proper divisors (4166417889528).

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

1783155230472 is a wasteful number, since it uses less digits than its factorization.

1783155230472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860864 (or 860860 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 1783155230472 in words is "one trillion, seven hundred eighty-three billion, one hundred fifty-five million, two hundred thirty thousand, four hundred seventy-two".