229100302640 has 80 divisors (see below), whose sum is σ = 581654200320. Its totient is φ = 83227119360.

The previous prime is 229100302637. The next prime is 229100302667. The reversal of 229100302640 is 46203001922.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768977 + ... + 1024463.

It is an arithmetic number, because the mean of its divisors is an integer number (7270677504).

Almost surely, 2^229100302640 is an apocalyptic number.

229100302640 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 229100302640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290827100160).

229100302640 is an abundant number, since it is smaller than the sum of its proper divisors (352553897680).

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

229100302640 is a wasteful number, since it uses less digits than its factorization.

229100302640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256530 (or 256524 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 229100302640 in words is "two hundred twenty-nine billion, one hundred million, three hundred two thousand, six hundred forty".