918354229450 has 36 divisors (see below), whose sum is σ = 1987018687062. Its totient is φ = 314864306400.

The previous prime is 918354229417. The next prime is 918354229453. The reversal of 918354229450 is 54922453819.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 730356542881 + 187997686569 = 854609^2 + 433587^2 .

It is not an unprimeable number, because it can be changed into a prime (918354229453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 187416781 + ... + 187421680.

Almost surely, 2^918354229450 is an apocalyptic number.

918354229450 is an abundant number, since it is smaller than the sum of its proper divisors (1068664457612).

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

918354229450 is a wasteful number, since it uses less digits than its factorization.

918354229450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374838487 (or 374838475 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 918354229450 in words is "nine hundred eighteen billion, three hundred fifty-four million, two hundred twenty-nine thousand, four hundred fifty".