229797872640 has 1408 divisors, whose sum is σ = 1008814003200. Its totient is φ = 48412753920.

The previous prime is 229797872609. The next prime is 229797872651. The reversal of 229797872640 is 46278797922.

229797872640 is a `hidden beast` number, since 2 + 297 + 9 + 7 + 87 + 264 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1003484046 + ... + 1003484274.

Almost surely, 2^229797872640 is an apocalyptic number.

229797872640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229797872640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504407001600).

229797872640 is an abundant number, since it is smaller than the sum of its proper divisors (779016130560).

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

229797872640 is a wasteful number, since it uses less digits than its factorization.

229797872640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 229797872640 in words is "two hundred twenty-nine billion, seven hundred ninety-seven million, eight hundred seventy-two thousand, six hundred forty".