429131940 has 48 divisors (see below), whose sum is σ = 1202671680. Its totient is φ = 114330240.

The previous prime is 429131921. The next prime is 429131947. The reversal of 429131940 is 49131924.

It is not an unprimeable number, because it can be changed into a prime (429131947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80271 + ... + 85449.

It is an arithmetic number, because the mean of its divisors is an integer number (25055660).

Almost surely, 2^429131940 is an apocalyptic number.

It is a pronic number, being equal to 20715×20716.

It is an amenable number.

429131940 is an abundant number, since it is smaller than the sum of its proper divisors (773539740).

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

429131940 is a wasteful number, since it uses less digits than its factorization.

429131940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572 (or 6570 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 429131940 is about 20715.4999939659. The cubic root of 429131940 is about 754.2759838416.

The spelling of 429131940 in words is "four hundred twenty-nine million, one hundred thirty-one thousand, nine hundred forty".