1798692480 has 640 divisors, whose sum is σ = 7371136080. Its totient is φ = 414056448.

The previous prime is 1798692473. The next prime is 1798692503. The reversal of 1798692480 is 842968971.

1798692480 is a `hidden beast` number, since 1 + 79 + 8 + 6 + 92 + 480 = 666.

1798692480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 507871296 + 1290821184 = 22536^2 + 35928^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11456562 + ... + 11456718.

Almost surely, 2^1798692480 is an apocalyptic number.

1798692480 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 1798692480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3685568040).

1798692480 is an abundant number, since it is smaller than the sum of its proper divisors (5572443600).

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

1798692480 is a wasteful number, since it uses less digits than its factorization.

1798692480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 1798692480 is about 42410.9948008768. The cubic root of 1798692480 is about 1216.1457869991.

The spelling of 1798692480 in words is "one billion, seven hundred ninety-eight million, six hundred ninety-two thousand, four hundred eighty".