229400156552 has 108 divisors (see below), whose sum is σ = 531887267205. Its totient is φ = 92466130176.

The previous prime is 229400156539. The next prime is 229400156567. The reversal of 229400156552 is 255651004922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 209952738436 + 19447418116 = 458206^2 + 139454^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338674.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 161208113 + ... + 161209535.

Almost surely, 2^229400156552 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 229400156552

229400156552 is an abundant number, since it is smaller than the sum of its proper divisors (302487110653).

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

229400156552 is an equidigital number, since it uses as much as digits as its factorization.

229400156552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 229400156552 in words is "two hundred twenty-nine billion, four hundred million, one hundred fifty-six thousand, five hundred fifty-two".