618043426 has 32 divisors (see below), whose sum is σ = 1244734848. Its totient is φ = 222272640.

The previous prime is 618043423. The next prime is 618043499. The reversal of 618043426 is 624340816.

It is a junction number, because it is equal to n+sod(n) for n = 618043391 and 618043400.

It is not an unprimeable number, because it can be changed into a prime (618043423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152355 + ... + 156358.

It is an arithmetic number, because the mean of its divisors is an integer number (38897964).

Almost surely, 2^618043426 is an apocalyptic number.

618043426 is an abundant number, since it is smaller than the sum of its proper divisors (626691422).

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

618043426 is a wasteful number, since it uses less digits than its factorization.

618043426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308746.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 618043426 is about 24860.4791989213. The cubic root of 618043426 is about 851.8039776581.

The spelling of 618043426 in words is "six hundred eighteen million, forty-three thousand, four hundred twenty-six".