4729157280 has 72 divisors (see below), whose sum is σ = 16138254132. Its totient is φ = 1261108224.

The previous prime is 4729157263. The next prime is 4729157287. The reversal of 4729157280 is 827519274.

It is a happy number.

4729157280 is a `hidden beast` number, since 4 + 72 + 9 + 1 + 572 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4392508176 + 336649104 = 66276^2 + 18348^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (4729157287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1640629 + ... + 1643508.

Almost surely, 2^4729157280 is an apocalyptic number.

4729157280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4729157280 is an abundant number, since it is smaller than the sum of its proper divisors (11409096852).

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

4729157280 is a wasteful number, since it uses less digits than its factorization.

4729157280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284158 (or 3284147 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 4729157280 is about 68768.8685380238. The cubic root of 4729157280 is about 1678.5254067582.

The spelling of 4729157280 in words is "four billion, seven hundred twenty-nine million, one hundred fifty-seven thousand, two hundred eighty".