1198040488 has 16 divisors (see below), whose sum is σ = 2283151860. Its totient is φ = 589200000.

The previous prime is 1198040453. The next prime is 1198040513. The reversal of 1198040488 is 8840408911.

It can be written as a sum of positive squares in 2 ways, for example, as 1195914724 + 2125764 = 34582^2 + 1458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227013 + ... + 1227988.

Almost surely, 2^1198040488 is an apocalyptic number.

It is an amenable number.

1198040488 is a deficient number, since it is larger than the sum of its proper divisors (1085111372).

1198040488 is a wasteful number, since it uses less digits than its factorization.

1198040488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455068 (or 2455064 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 1198040488 is about 34612.7214763589. The cubic root of 1198040488 is about 1062.0798395555.

The spelling of 1198040488 in words is "one billion, one hundred ninety-eight million, forty thousand, four hundred eighty-eight".