422863640428 has 24 divisors (see below), whose sum is σ = 745920612864. Its totient is φ = 209743833600.

The previous prime is 422863640401. The next prime is 422863640471. The reversal of 422863640428 is 824046368224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5131068 + ... + 5212828.

It is an arithmetic number, because the mean of its divisors is an integer number (31080025536).

Almost surely, 2^422863640428 is an apocalyptic number.

It is an amenable number.

422863640428 is a deficient number, since it is larger than the sum of its proper divisors (323056972436).

422863640428 is a wasteful number, since it uses less digits than its factorization.

422863640428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92073 (or 92071 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 422863640428 in words is "four hundred twenty-two billion, eight hundred sixty-three million, six hundred forty thousand, four hundred twenty-eight".