424226994478 has 32 divisors (see below), whose sum is σ = 739643224320. Its totient is φ = 178712922240.

The previous prime is 424226994449. The next prime is 424226994487. The reversal of 424226994478 is 874499622424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12448150 + ... + 12482182.

It is an arithmetic number, because the mean of its divisors is an integer number (23113850760).

Almost surely, 2^424226994478 is an apocalyptic number.

424226994478 is a deficient number, since it is larger than the sum of its proper divisors (315416229842).

424226994478 is a wasteful number, since it uses less digits than its factorization.

424226994478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49192.

The product of its digits is 55738368, while the sum is 61.

The spelling of 424226994478 in words is "four hundred twenty-four billion, two hundred twenty-six million, nine hundred ninety-four thousand, four hundred seventy-eight".