618244418470 has 48 divisors (see below), whose sum is σ = 1299944790720. Its totient is φ = 211082573184.

The previous prime is 618244418453. The next prime is 618244418483. The reversal of 618244418470 is 74814442816.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2522479 + ... + 2756698.

It is an arithmetic number, because the mean of its divisors is an integer number (27082183140).

Almost surely, 2^618244418470 is an apocalyptic number.

618244418470 is an abundant number, since it is smaller than the sum of its proper divisors (681700372250).

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

618244418470 is a wasteful number, since it uses less digits than its factorization.

618244418470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279437 (or 5279430 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 618244418470 in words is "six hundred eighteen billion, two hundred forty-four million, four hundred eighteen thousand, four hundred seventy".