229547739456 has 560 divisors, whose sum is σ = 801040287680. Its totient is φ = 64438778880.

The previous prime is 229547739433. The next prime is 229547739493. The reversal of 229547739456 is 654937745922.

229547739456 is a `hidden beast` number, since 2 + 2 + 9 + 547 + 7 + 39 + 4 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (114307200) is a multiple of the sum of its prime divisors (980).

It is a junction number, because it is equal to n+sod(n) for n = 229547739393 and 229547739402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 253084155 + ... + 253085061.

Almost surely, 2^229547739456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229547739456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400520143840).

229547739456 is an abundant number, since it is smaller than the sum of its proper divisors (571492548224).

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

229547739456 is an frugal number, since it uses more digits than its factorization.

229547739456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 980 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 229547739456 in words is "two hundred twenty-nine billion, five hundred forty-seven million, seven hundred thirty-nine thousand, four hundred fifty-six".