4229729280 has 880 divisors, whose sum is σ = 18261467136. Its totient is φ = 915701760.

The previous prime is 4229729269. The next prime is 4229729291. The reversal of 4229729280 is 829279224.

It is an interprime number because it is at equal distance from previous prime (4229729269) and next prime (4229729291).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 89994217 + ... + 89994263.

Almost surely, 2^4229729280 is an apocalyptic number.

4229729280 is a gapful number since it is divisible by the number (40) 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 4229729280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9130733568).

4229729280 is an abundant number, since it is smaller than the sum of its proper divisors (14031737856).

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

4229729280 is a wasteful number, since it uses less digits than its factorization.

4229729280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 4229729280 is about 65036.3689023303. The cubic root of 4229729280 is about 1617.2265301985.

The spelling of 4229729280 in words is "four billion, two hundred twenty-nine million, seven hundred twenty-nine thousand, two hundred eighty".