426720424 has 32 divisors (see below), whose sum is σ = 862596000. Its totient is φ = 196731072.

The previous prime is 426720419. The next prime is 426720457. The reversal of 426720424 is 424027624.

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, 129307 + ... + 132565.

It is an arithmetic number, because the mean of its divisors is an integer number (26956125).

Almost surely, 2^426720424 is an apocalyptic number.

It is an amenable number.

426720424 is an abundant number, since it is smaller than the sum of its proper divisors (435875576).

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

426720424 is a wasteful number, since it uses less digits than its factorization.

426720424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 426720424 is about 20657.2123966425. The cubic root of 426720424 is about 752.8604390192.

The spelling of 426720424 in words is "four hundred twenty-six million, seven hundred twenty thousand, four hundred twenty-four".