229100139840 has 448 divisors, whose sum is σ = 866303730432. Its totient is φ = 50562662400.

The previous prime is 229100139839. The next prime is 229100139859. The reversal of 229100139840 is 48931001922.

229100139840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10010010 + ... + 10032870.

It is an arithmetic number, because the mean of its divisors is an integer number (1933713684).

Almost surely, 2^229100139840 is an apocalyptic number.

229100139840 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 229100139840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433151865216).

229100139840 is an abundant number, since it is smaller than the sum of its proper divisors (637203590592).

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

229100139840 is a wasteful number, since it uses less digits than its factorization.

229100139840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22978 (or 22968 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 229100139840 in words is "two hundred twenty-nine billion, one hundred million, one hundred thirty-nine thousand, eight hundred forty".