1898460144 has 60 divisors (see below), whose sum is σ = 6072062256. Its totient is φ = 542416896.

The previous prime is 1898460131. The next prime is 1898460163. The reversal of 1898460144 is 4410648981.

1898460144 is a `hidden beast` number, since 189 + 8 + 460 + 1 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1898460144.

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, 940689 + ... + 942704.

Almost surely, 2^1898460144 is an apocalyptic number.

1898460144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1898460144 is an abundant number, since it is smaller than the sum of its proper divisors (4173602112).

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

1898460144 is a wasteful number, since it uses less digits than its factorization.

1898460144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883414 (or 1883405 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1898460144 is about 43571.3224954212. The cubic root of 1898460144 is about 1238.2276413671.

The spelling of 1898460144 in words is "one billion, eight hundred ninety-eight million, four hundred sixty thousand, one hundred forty-four".