618240804 has 24 divisors (see below), whose sum is σ = 1477747488. Its totient is φ = 201053760.

The previous prime is 618240803. The next prime is 618240811. The reversal of 618240804 is 408042816.

It is not an unprimeable number, because it can be changed into a prime (618240803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627802 + ... + 628785.

It is an arithmetic number, because the mean of its divisors is an integer number (61572812).

Almost surely, 2^618240804 is an apocalyptic number.

It is an amenable number.

618240804 is an abundant number, since it is smaller than the sum of its proper divisors (859506684).

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

618240804 is a wasteful number, since it uses less digits than its factorization.

618240804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256635 (or 1256633 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 618240804 is about 24864.4485963393. The cubic root of 618240804 is about 851.8946452196.

The spelling of 618240804 in words is "six hundred eighteen million, two hundred forty thousand, eight hundred four".