618954496 has 36 divisors (see below), whose sum is σ = 1308176352. Its totient is φ = 291270656.

The previous prime is 618954467. The next prime is 618954551. The reversal of 618954496 is 694459816.

It is a happy number.

It is a super-2 number, since 2×618954496² = 766209336237228032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66760 + ... + 75463.

It is an arithmetic number, because the mean of its divisors is an integer number (36338232).

Almost surely, 2^618954496 is an apocalyptic number.

It is an amenable number.

618954496 is an abundant number, since it is smaller than the sum of its proper divisors (689221856).

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

618954496 is a wasteful number, since it uses less digits than its factorization.

618954496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142256 (or 142242 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 618954496 is about 24878.7961123524. The cubic root of 618954496 is about 852.2223258397. Note that the first 3 decimals are identical.

The spelling of 618954496 in words is "six hundred eighteen million, nine hundred fifty-four thousand, four hundred ninety-six".