618138048 has 56 divisors (see below), whose sum is σ = 1784177280. Its totient is φ = 187313920.

The previous prime is 618138023. The next prime is 618138089. The reversal of 618138048 is 840831816.

It is a junction number, because it is equal to n+sod(n) for n = 618137997 and 618138015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144228 + ... + 148451.

Almost surely, 2^618138048 is an apocalyptic number.

It is an amenable number.

618138048 is an abundant number, since it is smaller than the sum of its proper divisors (1166039232).

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

618138048 is a wasteful number, since it uses less digits than its factorization.

618138048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292705 (or 292695 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 618138048 is about 24862.3821867495. The cubic root of 618138048 is about 851.8474456302.

The spelling of 618138048 in words is "six hundred eighteen million, one hundred thirty-eight thousand, forty-eight".