424434971916 has 36 divisors (see below), whose sum is σ = 1074407849424. Its totient is φ = 141276492000.

The previous prime is 424434971869. The next prime is 424434971953. The reversal of 424434971916 is 619179434424.

It is a happy number.

424434971916 is a `hidden beast` number, since 4 + 2 + 443 + 4 + 9 + 7 + 191 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×424434971916² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8384080 + ... + 8434551.

It is an arithmetic number, because the mean of its divisors is an integer number (29844662484).

Almost surely, 2^424434971916 is an apocalyptic number.

It is an amenable number.

424434971916 is an abundant number, since it is smaller than the sum of its proper divisors (649972877508).

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

424434971916 is a wasteful number, since it uses less digits than its factorization.

424434971916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819342 (or 16819337 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 424434971916 in words is "four hundred twenty-four billion, four hundred thirty-four million, nine hundred seventy-one thousand, nine hundred sixteen".