229426731288 has 32 divisors (see below), whose sum is σ = 637296476400. Its totient is φ = 76475577024.

The previous prime is 229426731277. The next prime is 229426731311. The reversal of 229426731288 is 882137624922.

229426731288 is a `hidden beast` number, since 2 + 29 + 426 + 73 + 128 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531080181 + ... + 531080612.

Almost surely, 2^229426731288 is an apocalyptic number.

It is an amenable number.

229426731288 is an abundant number, since it is smaller than the sum of its proper divisors (407869745112).

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

229426731288 is a wasteful number, since it uses less digits than its factorization.

229426731288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062160808 (or 1062160798 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 229426731288 in words is "two hundred twenty-nine billion, four hundred twenty-six million, seven hundred thirty-one thousand, two hundred eighty-eight".