429126809872 has 40 divisors (see below), whose sum is σ = 836630327232. Its totient is φ = 213222883200.

The previous prime is 429126809869. The next prime is 429126809971. The reversal of 429126809872 is 278908621924.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11366547 + ... + 11404237.

Almost surely, 2^429126809872 is an apocalyptic number.

It is an amenable number.

429126809872 is a deficient number, since it is larger than the sum of its proper divisors (407503517360).

429126809872 is a wasteful number, since it uses less digits than its factorization.

429126809872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42127 (or 42121 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 429126809872 in words is "four hundred twenty-nine billion, one hundred twenty-six million, eight hundred nine thousand, eight hundred seventy-two".