429040660 has 48 divisors (see below), whose sum is σ = 914029200. Its totient is φ = 169150464.

The previous prime is 429040649. The next prime is 429040663. The reversal of 429040660 is 66040924.

429040660 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4186116 + 424854544 = 2046^2 + 20612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429040663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517126 + ... + 517954.

It is an arithmetic number, because the mean of its divisors is an integer number (19042275).

Almost surely, 2^429040660 is an apocalyptic number.

It is an amenable number.

429040660 is an abundant number, since it is smaller than the sum of its proper divisors (484988540).

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

429040660 is a wasteful number, since it uses less digits than its factorization.

429040660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 429040660 is about 20713.2966956011. The cubic root of 429040660 is about 754.2224997515. Note that the first 3 decimals are identical.

The spelling of 429040660 in words is "four hundred twenty-nine million, forty thousand, six hundred sixty".