618039456 has 48 divisors (see below), whose sum is σ = 1623633984. Its totient is φ = 205850624.

The previous prime is 618039431. The next prime is 618039481. The reversal of 618039456 is 654930816.

It is an interprime number because it is at equal distance from previous prime (618039431) and next prime (618039481).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231280 + ... + 233936.

It is an arithmetic number, because the mean of its divisors is an integer number (33825708).

Almost surely, 2^618039456 is an apocalyptic number.

It is an amenable number.

618039456 is an abundant number, since it is smaller than the sum of its proper divisors (1005594528).

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

618039456 is a wasteful number, since it uses less digits than its factorization.

618039456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 618039456 is about 24860.3993531882. The cubic root of 618039456 is about 851.8021538008.

The spelling of 618039456 in words is "six hundred eighteen million, thirty-nine thousand, four hundred fifty-six".