1798054456 has 16 divisors (see below), whose sum is σ = 3677838840. Its totient is φ = 817297440.

The previous prime is 1798054439. The next prime is 1798054499. The reversal of 1798054456 is 6544508971.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10216131 + ... + 10216306.

Almost surely, 2^1798054456 is an apocalyptic number.

It is an amenable number.

1798054456 is an abundant number, since it is smaller than the sum of its proper divisors (1879784384).

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

1798054456 is a wasteful number, since it uses less digits than its factorization.

1798054456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20432454 (or 20432450 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 1798054456 is about 42403.4722163174. The cubic root of 1798054456 is about 1216.0019747631.

The spelling of 1798054456 in words is "one billion, seven hundred ninety-eight million, fifty-four thousand, four hundred fifty-six".