618473448 has 32 divisors (see below), whose sum is σ = 1717982400. Its totient is φ = 206157744.

The previous prime is 618473431. The next prime is 618473489. The reversal of 618473448 is 844374816.

618473448 is a `hidden beast` number, since 61 + 84 + 73 + 448 = 666.

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, 1431436 + ... + 1431867.

It is an arithmetic number, because the mean of its divisors is an integer number (53686950).

Almost surely, 2^618473448 is an apocalyptic number.

It is an amenable number.

618473448 is an abundant number, since it is smaller than the sum of its proper divisors (1099508952).

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

618473448 is a wasteful number, since it uses less digits than its factorization.

618473448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863318 (or 2863308 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 618473448 is about 24869.1264020271. The cubic root of 618473448 is about 852.0014877974.

The spelling of 618473448 in words is "six hundred eighteen million, four hundred seventy-three thousand, four hundred forty-eight".