429468640 has 24 divisors (see below), whose sum is σ = 1014620040. Its totient is φ = 171787392.

The previous prime is 429468619. The next prime is 429468659. The reversal of 429468640 is 46864924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341930 + ... + 1342249.

It is an arithmetic number, because the mean of its divisors is an integer number (42275835).

Almost surely, 2^429468640 is an apocalyptic number.

429468640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

429468640 is an abundant number, since it is smaller than the sum of its proper divisors (585151400).

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

429468640 is a wasteful number, since it uses less digits than its factorization.

429468640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684194 (or 2684186 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 429468640 is about 20723.6251654965. The cubic root of 429468640 is about 754.4732023877.

The spelling of 429468640 in words is "four hundred twenty-nine million, four hundred sixty-eight thousand, six hundred forty".