429655965940 has 12 divisors (see below), whose sum is σ = 902277528516. Its totient is φ = 171862386368.

The previous prime is 429655965889. The next prime is 429655965941. The reversal of 429655965940 is 49569556924.

It can be written as a sum of positive squares in 2 ways, for example, as 224937724176 + 204718241764 = 474276^2 + 452458^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429655965941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10741399129 + ... + 10741399168.

It is an arithmetic number, because the mean of its divisors is an integer number (75189794043).

Almost surely, 2^429655965940 is an apocalyptic number.

It is an amenable number.

429655965940 is an abundant number, since it is smaller than the sum of its proper divisors (472621562576).

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

429655965940 is a wasteful number, since it uses less digits than its factorization.

429655965940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21482798306 (or 21482798304 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 64.

The spelling of 429655965940 in words is "four hundred twenty-nine billion, six hundred fifty-five million, nine hundred sixty-five thousand, nine hundred forty".