229915490448 has 40 divisors (see below), whose sum is σ = 678798115648. Its totient is φ = 65690140032.

The previous prime is 229915490447. The next prime is 229915490459. The reversal of 229915490448 is 844094519922.

It is a super-2 number, since 2×229915490448² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229915490443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342135811 + ... + 342136482.

Almost surely, 2^229915490448 is an apocalyptic number.

229915490448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

229915490448 is an abundant number, since it is smaller than the sum of its proper divisors (448882625200).

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

229915490448 is a wasteful number, since it uses less digits than its factorization.

229915490448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684272311 (or 684272305 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 229915490448 in words is "two hundred twenty-nine billion, nine hundred fifteen million, four hundred ninety thousand, four hundred forty-eight".