1798422624 has 72 divisors (see below), whose sum is σ = 5336643312. Its totient is φ = 573408000.

The previous prime is 1798422611. The next prime is 1798422641. The reversal of 1798422624 is 4262248971.

1798422624 is a `hidden beast` number, since 17 + 9 + 8 + 4 + 2 + 2 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1798422624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129127 + ... + 142374.

It is an arithmetic number, because the mean of its divisors is an integer number (74120046).

Almost surely, 2^1798422624 is an apocalyptic number.

It is an amenable number.

1798422624 is an abundant number, since it is smaller than the sum of its proper divisors (3538220688).

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

1798422624 is a wasteful number, since it uses less digits than its factorization.

1798422624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271540 (or 271529 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1798422624 is about 42407.8132423732. The cubic root of 1798422624 is about 1216.0849649196.

The spelling of 1798422624 in words is "one billion, seven hundred ninety-eight million, four hundred twenty-two thousand, six hundred twenty-four".