1798654464 has 160 divisors (see below), whose sum is σ = 5556608640. Its totient is φ = 573382656.

The previous prime is 1798654447. The next prime is 1798654477. The reversal of 1798654464 is 4644568971.

1798654464 is a `hidden beast` number, since 1 + 7 + 98 + 6 + 544 + 6 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1798654464.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315124 + ... + 320780.

It is an arithmetic number, because the mean of its divisors is an integer number (34728804).

Almost surely, 2^1798654464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1798654464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778304320).

1798654464 is an abundant number, since it is smaller than the sum of its proper divisors (3757954176).

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

1798654464 is an equidigital number, since it uses as much as digits as its factorization.

1798654464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5685 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 1798654464 is about 42410.5466128415. The cubic root of 1798654464 is about 1216.1372190487.

The spelling of 1798654464 in words is "one billion, seven hundred ninety-eight million, six hundred fifty-four thousand, four hundred sixty-four".